The Wheeler® F.A.T. Wrench® (Firearm Accurizing Torque) is the industry-standard torque driver trusted by hunters, shooters, and gunsmiths for precision firearm setup. Delivering a repeatable, adjustable torque range of 10–65 in-lbs., it ensures scope bases, rings, and action screws are tightened with exact consistency—protecting your optics, preventing damage, and improving reliability in the field.

Designed with a magnetized bit tip for secure handling and a rubber over-mold grip for comfort, the FAT Wrench makes every job easier and more precise. Ten included bits, finished in corrosion-resistant black phosphate, give you the versatility for a wide range of firearms and accessories. All components come secured in a premium hard case with latching closure that stacks seamlessly with other Wheeler driver sets. The FAT Wrench delivers the torque you need for total confidence in your setup—every shot, every time.