From the manufacturer

Wheeler Engineering digital manual fat wrench torque scope mounting mount rings base adjust tighten

Manual Firearms Accurizing Torque (FAT) Wrench

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Engineered to Fit the Job

Wheeler is unapologetically rooted in the legacy of gunsmithing. Building off that heritage, we engineer ruggedly elegant tools for all your passions.

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The Wheeler Engineering FAT Wrench is an essential tool for gunsmiths and firearms enthusiasts. From installing a scope to making adjustments, this reliable tool saves time and accurately torques screws to spec. The FAT Wrench features a standard 1/4" hex drive tip and can be used to apply torque from 10 to 65 in-lbs at 5 in-lbs increments. With proper care and use, the FAT Wrench will provide you with a lifetime of reliable service.

Align the marker with the center of the desired torque value
Designed for +/- 2 in-lbs accuracy up to 40 in-lbs, +/- 5% over 40 in-lbs
Can be used to apply torque to any fastener, it is not limited to firearms and firearm accessories
Includes 9 bits and a square drive adapter
Compatible with bits from the Wheeler 72-Piece and 89-Piece Screwdriver Sets
Always protect the area surrounding the screw with masking tape to prevent marring of metal and wood finishes, just in case a bit slips out while tightening
Functions like a screwdriver, it is not a ratcheting device

Features

Easy Adjustments

Simply set the FAT Wrench to the desired torque by centering the marker on the desired torque value and use the device to tighten scope rings. Once you hear a click, the torque has been met.

Includes:

Storage case
Leupold/Buehler windage bit
#10, #11, and #32 flat blade bits
3/32", 7/64", 5/32" Allen bits
T15, T20 Torx bits
Square drive adapter bit

Ergonomic Grip

The FAT Wrench has a comfortable handle to ensure a solid grip.

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The Wheeler Manual F.A.T. Wrench brings perfect consistency to every screw on your firearm. This handheld torque wrench lets you apply repeatable, accurate torque settings to scope rings, guard screws and other screws. Overall, the torque wrench aids in accuracy and decreases the opportunity for problems in the field. The manual FAT wrench is compatible with bits from Wheeler Engineering's Deluxe Gunsmithing Screwdriver Sets. Together, they can ensure accurate tightening of most every screw on any gun in your collection.