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The Wheeler FAT Wrench 38-Piece Screwdriver Set takes the guesswork out of tightening screws on your firearms. At the heart of it is the FAT (Firearm Accurizing Torque) Wrench, an adjustable handheld torque driver with a range of 10 to 65 inch-pounds. That covers the vast majority of gunsmithing jobs, from delicate scope ring screws to heavier action and guard screws. Instead of eyeballing how tight is tight enough, you set the value and let the tool click off when you hit it. Accuracy runs plus or minus 2 inch-pounds up to 40, and plus or minus 5 percent from 40 to 65, which is plenty tight for mounting optics to spec.
Where the base FAT Wrench ships with a handful of bits, this 38-piece version rounds things out with a full assortment. You get flat, Phillips, SAE and metric hex, Torx, and specialty bits that fit most common firearm fasteners, plus adapters and a quarter-inch driver for hand-tightening work that doesn't need a torque setting. The flat bits are hollow-ground, so they seat flush in the slot and won't cam out and chew up a screw head or leave marks on your receiver.
Every bit is made from S2 tool steel hardened to 56 to 58 on the Rockwell C scale, then finished in black phosphate to fight off rust and corrosion. The driver has a magnetized tip that holds bits in place so they don't drop out mid-job, and the handle wears a textured rubber over-mold that keeps your grip solid and your hand comfortable when you're leaning into a stubborn screw.
Everything packs into a latching hard case that keeps the wrench, bits, and adapters organized and ready to grab. It's a smart setup for the bench or the range bag, and if you run other Wheeler screwdriver sets, the case is designed to stack neatly alongside them. One tip worth remembering: back the wrench off to its lowest setting after every use to keep it reading true over the long haul.
The FAT Wrench adjusts from 10 to 65 inch-pounds, which handles the great majority of firearm fasteners. That includes light scope ring and base screws all the way up to action and guard screws. Accuracy is rated at plus or minus 2 inch-pounds up to 40, then plus or minus 5 percent from 40 to 65.
The set includes an assortment of flat, Phillips, SAE and metric hex, Torx, and specialty bits along with adapters, so it fits most common firearm fasteners. The flat bits are hollow-ground for a precise fit that won't slip and damage the screw or your firearm. There's also a quarter-inch driver included for tasks that don't require a set torque value.
Yes, mounting optics is exactly what it's built for. Setting your ring and base screws to the manufacturer's spec keeps the scope secure without over-tightening and risking cracked tubes or stripped threads. Consistent, repeatable torque also helps your rifle hold zero shot after shot.
Always dial the wrench back down to its lowest setting after you finish a job. Leaving it under tension in storage can throw off its calibration over time. Kept in the included case and returned to zero, it'll keep reading true for years.
| UPC | 198700004661 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 1237377 |
| Color | Black/Gold |
| Quantity | 38 |
| Shipping Weight | 2.3 |
| Style | Set |
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