Wheeler's F.A.T. Wrench (Firearm Accurizing Torque), SKU 4001002, is a handheld click-style driver you set between 10 and 65 inch-pounds. Use it on scope bases, rings, action screws, and similar fasteners when the spec is in that range instead of guessing with a plain driver.

The handle is rubber over-molded. A magnetized tip holds bits. Wheeler packs 10 hardened S2-steel bits with a black phosphate coat; the flats are hollow-ground so they sit in the slot instead of camming out. Everything lives in a latching hard case that stacks with other Wheeler driver boxes.

Dial the wrench to the torque the mount or action calls for, turn until it clicks, then back off.

• Manufacturer: Wheeler — F.A.T. Wrench, SKU 4001002, UPC 661120746980
• Torque: 10–65 in-lb, adjustable
• Bits: 10, hardened S2 steel, phosphate coated; hollow-ground flats
• Driver: magnetized tip; rubber over-mold handle
• Storage: latching hard case