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Klein Tools 55421BP-14 Tool Backpack, Heavy Duty Tradesman Pro Tool Bag Organizer with 39 Pockets, Molded Bottom

4.7 out of 5 stars 5,143 ratings
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Style: Low Profile
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Purchase options and add-ons

Brand Klein Tools
Material 1680d Ballistic Weave
Color Black
Product Dimensions 14.5"L x 7.25"W x 20"H
Water Resistance Level Waterproof

About this item

  • Tool bag backpack features large opening for power tool organization, with 39 interior pockets for mobile hand tool storage
  • Hard, molded front pocket protects safety glasses
  • Small zipper pouch for small parts and tools
  • Interior pockets can be used as a screwdriver organizer or wrench organizer
  • Fully molded bottom protects from the elements
  • Shoulder straps with extra padding for back support and handles for easy carrying
  • 1680d ballistic weave for durability and water resistance

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Tool Bag Backpack, Heavy Duty Tradesman Pro

klein tools
About Klein Tools

As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.

Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day … Since 1857.

Tool Backpack, Heavy Duty Tradesman Pro Tool Bag Organizer with 39 Pockets, Molded Bottom

Klein Tools' Tradesman Pro Organizer Backpack features 39 pockets for plenty of tool storage, including a hard, molded front pocket for safety glasses and a front zipper pocket to store loose parts. The bright orange interior will help you find your tools faster. The durable molded base protects from the elements and is water resistant.

  • Tool bag backpack features large opening for power tool organization, with 39 interior pockets for mobile hand tool storage
  • Hard, molded front pocket protects safety glasses
  • Small zipper pouch for small parts and tools
  • Interior pockets can be used as a screwdriver organizer or wrench organizer
  • Fully molded bottom protects from the elements
  • Shoulder straps with extra padding for back support and handles for easy carrying
  • 1680d ballistic weave for durability and water resistance
  • Shoulder straps with extra padding and handles for easy carrying

FEATURES

Jobsite Backpack with 39 pockets to offer ample space for storage

Jobsite Backpack with 39 pockets to offer ample space for storage

1680d ballistic weave construction with fully molded bottom

1680d ballistic weave construction with fully molded bottom

Front pocket for frequently used small tools and parts

Front pocket for frequently used small tools and parts

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Customer Reviews
4.9 out of 5 stars 234
5.0 out of 5 stars 2
4.8 out of 5 stars 1,676
4.1 out of 5 stars 31
4.7 out of 5 stars 2,158
4.5 out of 5 stars 312
Price $127.99 $24.99 $109.99 $230.69 $199.97 $13.38
Mfg. No. 55655 60609 55482 93LCLGR 55485 55437
Description KLEIN TOOLS 55655 Tool Bag Backpack, Tradesman Pro Tool Station with 21 Pocke... Klein Tools 60609 Work Gloves, All Purpose Premium Leather Gloves, Abrasion-R... Klein Tools 55482 Tool Bag Backpack, Heavy Duty Tradesman Pro Tool Organizer ... Klein Tools 93LCLGR Self-Leveling Laser Level, Rechargeable, with Bright Gree... Klein Tools 55485 Tool Bag Backpack, Durable Electrician Backpack with 48 Poc... Klein Tools 55437 Tradesman Pro Work Light / Tool Bag Light / Cooler Light, f...

Product information

Technical Details

Brand ‎Klein Tools
Material ‎1680d Ballistic Weave
Color ‎Black
Product Dimensions ‎14.5"L x 7.25"W x 20"H
Water Resistance Level ‎Waterproof
Maximum Weight Recommendation ‎5 Kilograms
Number of Compartments ‎39
UPC ‎092644540103 737946746661 752913149511 092644554674 757274817925 700811752562 737946107684 767674898806 733353299431 641125358227 731215034473
Global Trade Identification Number ‎00092644554674
Manufacturer ‎Klein Tools
Part Number ‎55421BP14
Item Weight ‎6 pounds
Country of Origin ‎Bangladesh
Item model number ‎55421BP-14
Is Discontinued By Manufacturer ‎No
Size ‎Large
Style ‎Low Profile
Finish ‎orange
Shape ‎Oval
Item Package Quantity ‎1
Number of Handles ‎4
Special Features ‎39 Pockets and molded plastic bottom
Included Components ‎Tool Bags
Batteries Included? ‎No
Batteries Required? ‎No

Additional Information

ASIN B00MK9UY0A
Customer Reviews
4.7 out of 5 stars 5,143 ratings

4.7 out of 5 stars
Best Sellers Rank #8,758 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#22 in Tool Bags
Date First Available August 9, 2014

Warranty & Support

Amazon.com Return Policy:Regardless of your statutory right of withdrawal, you enjoy a 30-day right of return for many products. For exceptions and conditions, see Return details.
Product Warranty: For warranty information about this product, please click here. [PDF ]

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Product Description

Klein Tools' Tradesman Pro Organizer Backpack features 39 pockets for plenty of tool storage, including a hard, molded front pocket for safety glasses and a front zipper pocket to store loose parts. The bright orange interior will help you find your tools faster. The durable molded base protects from the elements and is water resistant. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

Top Brand: Klein Tools

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Price$99.97$105.02$99.99$89.99$119.98$99.90
Delivery
Get it as soon as Monday, May 19
Get it as soon as Monday, May 19
Get it as soon as Monday, May 19
Get it as soon as Monday, May 19
Get it as soon as Monday, May 19
Get it as soon as Monday, May 19
Customer Ratings
4.74.7 out of 5 stars5,143
4.84.8 out of 5 stars1,676
4.24.2 out of 5 stars545
4.64.6 out of 5 stars187
4.64.6 out of 5 stars54
4.24.2 out of 5 stars45
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material
max. recommended weight
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Important information

Safety Information

Cancer and reproductive harm - See www.P65Warnings.ca.gov for more information.

Customer reviews

4.7 out of 5 stars
5,143 global ratings

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Customers say

Customers find the tool backpack well-built, with no signs of wear, and appreciate its storage capacity with lots of room for tools and thoughtful instrument pockets. The bag is particularly suitable for electricians and HVAC work, and customers consider it worth the money. While some find it not overly heavy, others describe it as super heavy, and opinions on the zipper quality are mixed, with some praising the heavy-duty zippers while others report failures.

AI-generated from the text of customer reviews

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299 customers mention "Build quality"274 positive25 negative

Customers praise the tool bag's construction, noting its durability with no tears or signs of wear, and its ability to withstand various environments.

"...It feels sturdy and well constructed because it is sturdy and well constructed. Klein very rarely slips on quality, and this is no exception...." Read more

"...straps are not just sewn into the bag seam - they are mega reinforced onto structural tabs that go into the bag and have a chest cross strap to hold..." Read more

"Finding tool bags is tough. You want one that's durable, roomy, and easy to carry but accessible once you get to work and open it up...." Read more

"...The bag is very tough and can withstand allot of different environments. I’ve had for like a month or so now and this thing still looks brand new ...." Read more

206 customers mention "Storage capacity"176 positive30 negative

Customers appreciate the tool backpack's storage capacity, noting it has lots of room for all tools, with perfect-sized pockets for hand tools and thoughtful instrument compartments.

"...The first and foremost being it's seemingly endless pockets and sections for pliars, screwdrivers, wrenches, ratchets, etc...." Read more

"...] For the price I love this bag, it holds everything I need and then some. I used it for 2 months before leaving a review and so far Excellent!..." Read more

"Finding tool bags is tough. You want one that's durable, roomy, and easy to carry but accessible once you get to work and open it up...." Read more

"...I love that it has multiple compartments & pouches . The bag is very tough and can withstand allot of different environments...." Read more

179 customers mention "Tool bag"179 positive0 negative

Customers find this tool bag to be great, particularly for technicians and HVAC work, with one customer noting it's perfect for wiring projects.

"...Klein makes good tools, and they've made a good bag...." Read more

"Overall the bag isn’t terrible. It holds tools and does what it’s intended but I regret buying this bag...." Read more

"It’s a good tool backpack but the zipper jammed already and ripped" Read more

"Rest of backpack is fine but dont let your measure tape get stuck on something, it'll loosen the measuring tape clip." Read more

106 customers mention "Value for money"93 positive13 negative

Customers find the tool backpack to be worth the money, particularly noting its durability.

"...This is definitely worth the money if you're in need of a sturdy bag that can work as hard as you do." Read more

"Nice backpack.. expensive but worth it for your tools ..." Read more

"This Klein backpack is worth every dime, it holds more than enough tools and is very sturdy...." Read more

"...Overall Great Bag for a great price of around 100 dollars." Read more

72 customers mention "Carryability"64 positive8 negative

Customers find the tool backpack easy to carry, with one customer noting it's better than carrying a case or bag, and another mentioning it can hold all basic tools.

"...Klein products for my electrical schooling/career and the bag was a great addition...." Read more

"...items in my hands so it's nice to throw this on my back and save a trip hauling tools. Plan on most things going in a pocket...." Read more

"Great backpack for Electrician's. I really like being able to throw my tools on my back instead of lugging around a box...." Read more

"Great product, name brand quality. Excellent portability, came in a plain sealed plastic wrapping inside the box, no shipping issues...." Read more

62 customers mention "Functionality"59 positive3 negative

Customers find that the tool backpack works perfectly for their needs, particularly for electrician hand tools.

"...The bag works great, but falls over. I wish you could open it up 180 and allow it to lay out flat." Read more

"...Klein always does it right! Last till I retire and then some!" Read more

"...Even with the failing zippers, it's still the best working bag I've used for my needs...." Read more

"...Making the electrician more organized and more efficient in the performance of his job, is labor money saved and company profit increased - e.g.,..." Read more

77 customers mention "Weight"42 positive35 negative

Customers have mixed opinions about the tool backpack's weight, with some finding it not overly heavy and easy to carry, while others describe it as super heavy.

"...It isn't huge and bulky. Just the right size for a steal compared to other brands I've tried." Read more

"...Finally, I gave up and bought this. I will say that it was slightly heavier than I thought it would be, but you are also getting something that..." Read more

"...The most important feature is you can carry it on your back, so walking a block or two won't strain a shoulder like a regular bag would...." Read more

"...So far no complains, but I would say it is a little heavy even without any tools in it so just be aware of that." Read more

64 customers mention "Zipper quality"24 positive40 negative

Customers have mixed experiences with the tool bag's zippers, with some finding them heavy-duty and good, while others report that they fail or are difficult to use.

"The main zippers were never clamped down all the way so when unzip it the thing you pull comes off" Read more

"...The two outer pockets on the back have heavy duty zippers and the top one is reinforced to hold delicate gear but most people will probably use for..." Read more

"This is my second one in many years. The zippers finally gave out on the old one...." Read more

"...The bag never gets in the way or becomes difficult to open. The zippers are heavy duty and I really cram stuff in there sometimes...." Read more

Buen material
5 out of 5 stars
Buen material
Excelente, muy resistente es un buen material, quede muy satisfecho. Gracias!
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Top reviews from the United States

  • Amazon Customer
    5.0 out of 5 stars Klein electrical tool bag awesomeness
    Reviewed in the United States on April 19, 2025
    Style: Low ProfileVerified Purchase
    This backpack arrived in perfect condition. I am surprised at how nice the pockets are. It seems to have lots of room for a variety of tools. I cant wait to put it to good use on Monday.
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  • Samuel Matthew
    5.0 out of 5 stars This tool bag is amazing, for several reasons
    Reviewed in the United States on March 22, 2017
    Style: Low ProfileVerified Purchase
    This tool bag is amazing, for several reasons. The first and foremost being it's seemingly endless pockets and sections for pliars, screwdrivers, wrenches, ratchets, etc. the second reason being its durability and resistance to scratches and tears. I have dropped This bag, thrown this bag, drug this bag up against block walls and everything else under the sun, and its material has held up. It feels sturdy and well constructed because it is sturdy and well constructed. Klein very rarely slips on quality, and this is no exception. I will say there's not a lot of room that's not designated by a Velcro pouch or a pocket of some allocation. You can't really open it up and toss things in it, as with a standard tool bag. Some feel this important because it forces unorganized people such as myself to stay organized. The bag is a bit stiff when you get it, but after a few days of working it It will loosen up nicely. This is definitely a great buy if you're in a field such as electrical work and need specific tools in specific places. The shoulder straps are nicely padded and it makes walking around for long periods of time toting this bag comfortable, even if it feels like it weighs half a ton because it's full of linemen's pliars and screwdrivers. And hey, it's always nice to have two free hands for whatever you need to carry in addition to the tool bag. This is definitely worth the money if you're in need of a sturdy bag that can work as hard as you do.
    7 people found this helpful
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  • Infrastructure Designer
    5.0 out of 5 stars The tool bag for real tradesmen and tool bag sluts like me!
    Reviewed in the United States on February 26, 2020
    Style: Low ProfileVerified Purchase
    I’m a product line manager and was at a field test site at an international airport when one of the tradesman assigned to my team walked in with one of these bags filled with about 80 pounds of tools. Recognizing a fellow tool bag slut like myself we started talking features and I was hooked - bought mine before the conversation was done.

    Start with the flat rigid rubberized bottom to keep the bag upright, contents dry, and prevent “poke through” - it just gets better and better. The padded shoulder straps are not just sewn into the bag seam - they are mega reinforced onto structural tabs that go into the bag and have a chest cross strap to hold things in place. The two outer pockets on the back have heavy duty zippers and the top one is reinforced to hold delicate gear but most people will probably use for cell phones and cords.

    Love the METAL loop on the side to hold a tape measure tab!

    The bag opens to the tool storage area with two bi-directional heavy duty zippers - none of the cheap single zipper crap here. Open it a little or a lot and the zippers hold in place. Perfect for holding that tool that’s just a couple inches too long for the bag. On both sides there are Kevlar style material pockets with Velcro tabs for multi-tools, folding knives, hex kits, bits and drivers. Add to that plenty of reinforced loops to hold pliers, wrenches and the like.

    Whomever designed this bag has definitely lived the life and walked the walk! They did their research and talked to tradesmen about our needs, wants and disappointments.

    Guys - THIS is the bag you want to generate envy amongst your work buddies. Ladies - THiS is the gift you want to get for your guy to prove that you “get” him (and to get back at him for rolling his eyes every time you wander off into a purse or shoe discussion with your friends). Get the point across to your Neanderthal partner that this is the Prada, Kate Spade or Laboutin of tool bags!
    25 people found this helpful
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  • Hawaiiangolfer808
    5.0 out of 5 stars Durable and strong
    Reviewed in the United States on February 13, 2025
    Style: Low ProfileVerified Purchase
    Nice backpack.. expensive but worth it for your tools ...
    Helpful
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  • YourCallCannotBeConnected
    4.0 out of 5 stars Sturdy, plenty of pockets, a bit tight for power tools, most importantly: It's a BACKPACK!
    Reviewed in the United States on August 30, 2023
    Style: Low ProfileVerified Purchase
    Finding tool bags is tough. You want one that's durable, roomy, and easy to carry but accessible once you get to work and open it up.

    Klein makes good tools, and they've made a good bag. The most important feature is you can carry it on your back, so walking a block or two won't strain a shoulder like a regular bag would.

    The only issue I have is the updated design went to a zip pocket on the front, instead of the big buckled pocket. The buckled design was better because it gave you extra space for carrying larger items (like a drill or impact). It's the only reason I give it 4 stars is because the change in design is a step backwards imo. The side flaps on that pocket also prevent the front from opening in any practical manner. I cut them off and cauterized the loose edges.
    One person found this helpful
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  • Conterrion
    5.0 out of 5 stars This Thing is Perfect For Those Hardcore Industrial Careers
    Reviewed in the United States on October 9, 2022
    Style: Low ProfileVerified Purchase
    I absolutely love this bag , I’m able to carry all my tools and have them already neat and sorted prior to use . I love that it has multiple compartments & pouches . The bag is very tough and can withstand allot of different environments. I’ve had for like a month or so now and this thing still looks brand new . Now even a scratch on it ! ( I Work At The Ports With Cranes , just to give an idea of the background )
    One person found this helpful
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  • Howard
    5.0 out of 5 stars Awesome bag for any technician to use!!
    Reviewed in the United States on March 23, 2018
    Style: Low ProfileVerified Purchase
    This bag is awesome. Ive been using or about 2 weeks now and I am absolutely impressed. The zippers are very heavy duty and the material seems as though it could last through a tornado. I am an IT Technnician and this bag fits everything that need in it. Its really comfortable to wear as well, even with a lot of tools in it. And you can put a lot of tools in it. The one feature ( believe me, there are many) that really stands out to me is the hard pouch on the front of the bag. I have no problem with putting my actual glasses in there. I feel comfortable knowing they will be safe in there even if my bag falls over. Ive felt many of the hard pouches on bags at Home Deopot and Lowes, but nothing compares to this. Another feature that I like is the hard bottom. It super sturdy and stands up like a champ. I would highly recommend this bag to any technician that needs a good tool backpack.
    Customer image
    Howard
    5.0 out of 5 stars
    Awesome bag for any technician to use!!

    Reviewed in the United States on March 23, 2018
    This bag is awesome. Ive been using or about 2 weeks now and I am absolutely impressed. The zippers are very heavy duty and the material seems as though it could last through a tornado. I am an IT Technnician and this bag fits everything that need in it. Its really comfortable to wear as well, even with a lot of tools in it. And you can put a lot of tools in it. The one feature ( believe me, there are many) that really stands out to me is the hard pouch on the front of the bag. I have no problem with putting my actual glasses in there. I feel comfortable knowing they will be safe in there even if my bag falls over. Ive felt many of the hard pouches on bags at Home Deopot and Lowes, but nothing compares to this. Another feature that I like is the hard bottom. It super sturdy and stands up like a champ. I would highly recommend this bag to any technician that needs a good tool backpack.
    Images in this review
    Customer imageCustomer image
    19 people found this helpful
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  • Christ R
    5.0 out of 5 stars Great price, Solid Contruction, Slim and Light but Sturdy!
    Reviewed in the United States on October 3, 2024
    Style: Low ProfileVerified Purchase
    The media could not be loaded.
    For the price I love this bag, it holds everything I need and then some. I used it for 2 months before leaving a review and so far Excellent! Alot easier to climb ladders with a back pack on and easier to fit through caged commercial ladders with this style of backpack. It isn't huge and bulky. Just the right size for a steal compared to other brands I've tried.
    Customer image
    Christ R
    5.0 out of 5 stars
    Great price, Solid Contruction, Slim and Light but Sturdy!

    Reviewed in the United States on October 3, 2024
    For the price I love this bag, it holds everything I need and then some. I used it for 2 months before leaving a review and so far Excellent! Alot easier to climb ladders with a back pack on and easier to fit through caged commercial ladders with this style of backpack. It isn't huge and bulky. Just the right size for a steal compared to other brands I've tried.
    Images in this review
    Customer image
    9 people found this helpful
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Top reviews from other countries

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  • W. Girdlestone
    5.0 out of 5 stars Before you commit to Veto
    Reviewed in the United Kingdom on July 12, 2020
    Style: Low ProfileVerified Purchase
    I would highly recommend this product, the bag is solid with good back pads. Its a good length, I found the veto to tall and I'm 6ft 2". The unit is light weight and comfortable to carry. Although I see no need to the chest strap other than to get in the way. The Veto equivalent is heavy, even to an uncomfortable level of just putting it on empty. The Klein is even a nice design for going up enclosed ladders. Havent had enough time to test the zipper strength, but it cant be worse than a CK bag. Ideal storage space except there is a lack of small zipped pockets for crimps/bottle seals/fittings. The pockets are nicely organised for a good assortment of different sized tools and enough space at the bottom for a few small items. I've got a mag valve, small bacho socket set and a wera screw driver set and I could probably fit in some other bits. The hard case at the front is a decent size for valuables, not big enough for a label maker. The front pouch below I cant personally find a use for, maybe some folded up permits or some extra spanners if needed. I got it for £90 like new using an amazon refurbish (Basically new bag, damaged packaging). This way I prevent paying the £30 delivery that was making me question the choice. Money well spent.
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  • Engineer
    2.0 out of 5 stars Robust, durchdacht, aber unangenehmer Geruch
    Reviewed in Germany on January 10, 2020
    Style: Low ProfileVerified Purchase
    Robust gemacht. Durchdachte Aufteilung. Der Rucksack riecht allerdings unangenehm. Jeder klassische Rucksackhersteller im Outdoorbereich (Lowe, Gregory, Deuter, Mammut etc.) kann das besser. Da riecht gar nichts. Entäuschend für einen Premium-Hersteller wie Klein Tools.
    Report
  • gabreiel
    5.0 out of 5 stars Top
    Reviewed in Brazil on May 30, 2023
    Style: Low ProfileVerified Purchase
    Mochila super resistente e com várias divisões para melhor organização da ferramentas.
    Report
  • Gilles Gervais
    5.0 out of 5 stars Great bag!
    Reviewed in Canada on May 20, 2021
    Style: Low ProfileVerified Purchase
    We ordered three of these for work and we are very satisfied. I wanted to compare this bag to the Veto Pro Pack so I ordered one for work. The Veto Pro Pack is a great bag but way too expensive for what you get. This Klein bag is built with durable material, has lots of pockets and won't bust your wallet. After comparing the two, I ordered another Klein for myself at home. Very satisfied.
    Report
  • ABU_FIX
    5.0 out of 5 stars Nice
    Reviewed in Singapore on October 29, 2021
    Style: Low ProfileVerified Purchase
     
    Customer image
    ABU_FIX
    5.0 out of 5 stars
    Nice

    Reviewed in Singapore on October 29, 2021

    Images in this review
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    Report

Product Summary: Klein Tools 55421BP-14 Tool Backpack, Heavy Duty Tradesman Pro Tool Bag Organizer with 39 Pockets, Molded Bottom

From Klein Tools

4.7 out of 5 stars, 5,143 ratings

Customer reviews

100+ bought in past week

Price

One-time purchase: $99.97

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About this Item

  • Tool bag backpack features large opening for power tool organization, with 39 interior pockets for mobile hand tool storage
  • Hard, molded front pocket protects safety glasses
  • Small zipper pouch for small parts and tools
  • Interior pockets can be used as a screwdriver organizer or wrench organizer
  • Fully molded bottom protects from the elements
  • Shoulder straps with extra padding for back support and handles for easy carrying
  • 1680d ballistic weave for durability and water resistance

Product Description

Klein Tools' Tradesman Pro Organizer Backpack features 39 pockets for plenty of tool storage, including a hard, molded front pocket for safety glasses and a front zipper pocket to store loose parts. The bright orange interior will help you find your tools faster. The durable molded base protects from the elements and is water resistant. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

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Important Information

Safety Information

Cancer and reproductive harm - See www.P65Warnings.ca.gov for more information.

Proposition 65 Warning for California Consumers

WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Proposition 65 Warning for California Consumers

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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