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Wheeler Engineering 100-Piece Professional Fat Wrench Screwdriver Set with Durable Construction and Storage Case for Gunsmithing and Maintenance

Based on 226 reviews
Condition: New
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$135.94
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Availability: 17 left in stock
Fulfilled by D-C-O

Arrives Saturday, Nov 21
Order within 16 hours and 55 minutes

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At a glance

Condition
New
Style
100 Piece
Dimensions
10.6 x 8.5 x 3.1 in
Weight
4 lb
Color
Black, Yellow
Material
Plastic
Size
One Size
In the box
100pc Pro FAT Wrench Screwdriver SetStorage Case
Warranty
Limited Lifetime Warranty

Features 8

  • DIMENSIONS: 11.1" L x 9.0" W x 3.6" D and weighs 4.5 pounds
  • VERSATILE: Bits are manufactured in both metric and standard sizes to cater to the requirements of different customers
  • FEATURES: Rubber Over-molding on the FAT Wrench and fixed driver for non-slip grip and improved ergonomics
  • EASE OF USE: Hollow-ground bits ensure a precise fit to prevent damage to screws and firearms

Description

Wheeler's 100-Piece Professional Gunsmithing FAT Wrench Screwdriver set is the kit that belongs on every gunsmithing bench. The well though-out bit selection will put an end to burred, buggered, and busted up screws on any gun that comes your way. The bits make up the heart of any screwdriver set, and Wheeler's are the finest available. They bits are made from S2 tool steel and hardened to 56-58 Rockwell "C". Unlike other screwdriver suppliers, Wheeler's engineers measured the screws on over one hundred modern and antique firearms to make sure that we offered bits for every situation. To top it off, this kit includes the FAT (Firearms Accurizing Torque) Wrench, which is used to apply precise inch-lb. pressure on all of your screws.

Specs 16

Manufacturer Wheeler
Part Number 4001004
Item Weight 4 pounds
Product Dimensions 10.6 x 8.5 x 3.1 inches
Item model number 4001004
Size One Size
Color Black, Yellow
Style 100 Piece

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 21

Yes, absolutely! This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


Perfect my my needs
Style: 100 Piece
This is a very complete, high-quality screwdriver set. The bit selection is excellent, and so far, it has included every bit I’ve needed. Everything feels well made and precise, and the included torque wrench is a plus, especially when accuracy matters. The case is well made and sturdy to hold all the bits and wrenches. Overall, it’s a professional-quality set and highly recommended. ... show more
Reviewed in the United States on July 17, 2026 by JWP06

Everything you need in one solid kit
Style: 100 Piece
I absolutely love this Wheeler 100-piece gunsmithing screwdriver set. It has everything I need in one place, including both a torque driver and a standard driver, which makes it incredibly versatile for different jobs. Great quality from a trusted brand, the tools feel solid and well made, and the whole set comes at a really good price for what you get. It’s been heavily used with not a single issue. This has quickly become a go-to kit on my bench. ... show more
Reviewed in the United States on February 1, 2026 by PawsandProjects

Excellent kit, must have for firearms enthusiasts
Style: 100 Piece
Very nice kit with high quality bits. Case is heavy duty and everything fits securely. I have been using wheeler products for a long time and they are still great! This kit is a must if you dabble with an array of firearms & optics. Torque driver indicator could be marked clearer but that’s splitting atoms honestly. Keeps you from over-torquing & stripping small fasteners. While not as extensive, this is the next best thing to fix-it sticks kits and a fraction of the cost ... show more
Reviewed in the United States on May 31, 2026 by Harmon R.

Very nice set
Style: 100 Piece
I gave this as a gift to my Son-in-law for his guns. We used it to assemble an AR with optics and so forth. I was impressed by the quality of the torque wrench and the bits. The case is quite nice and handy. OVERALL very good purchase that will last him for many years.
Reviewed in the United States on September 9, 2026 by S. Madsen

Extensive selection of tools but low quality finish
Style: 100 Piece
I purchased this tool kit for working on my firearms. I have yet to not find the tool needed to mount a scope or assemble a new AR lower or check torque on fasteners before going out to the gun range. My only grip, and this is why I gave it four stars, is the coating on the tools. I've had my tool set for around 6 months and the finish on the torx tips tools has already worn-off. I can see the metal on the tip of the torx attachments. This isn't an inexpensive set of tools so I expect a more durable finish on the tools. Other than the low quality finish, this is a good set of tools. ... show more
Reviewed in the United States on June 24, 2025 by Traveler4ever

If you use tools, you need this!
Style: 100 Piece
Don't throw the instructions out. Unless you remember how to align the marks up you won't get the correct setting. You need to align a fat mark to a thin mark. Top, middle or bottom, that's why you need the instructions. Other than that, its a great tool.
Reviewed in the United States on September 18, 2026 by Ron

It's a nice set, but I've had some pieces break
Style: 100 Piece
As of this review, I've had the set for around a month and a half. I've used it several times, and, for the most part, it's been a good buy. It contains everything you see in the pictures and the torque wrench works like it's supposed to. Like the subject says though, I've had some pieces break. The first thing to break was the magnet inside the torque wrench. It split in half. The top half came out stuck to the bottom of a bit. I have not been rough on the tools; no banging or beating on things. I've just used it to torque screws on firearms and attachments. The second thing to break was one of the bits. It just broke off inside a torx screw. This was more concerning than the magnet because it makes me think some of the other bits could be brittle. Maybe the pieces that broke were part of a bad batch, but I'd be lying if I said I'm not a little concerned. I've included pictures of the things that broke. As of now I'm giving it a 3 star rating because it has been useful. However, be aware that some of the pieces may fail over time. If I have other pieces break, then I'll come back and update this review. ... show more
Reviewed in the United States on September 24, 2025 by D Cooper

Must have for any smaller jobs that need to be accurate
Style: 100 Piece
Must have tool if you are torqueing any smaller inch pound nuts or screws. It has torque bits, metric and sae hex, square headed bits. A full set with a great inch pound torque wrench.
Reviewed in the United States on May 2, 2026 by todd0001
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