The Wheeler Engineering FAT Wrench is a hand driven, click/clutch style torque wrench that is very useful for applying the necessary torque to most firearm and firearm accessory fasteners. The FAT Wrench features a thick ergonomic handle, a standard 1/4″ drive tip, and can be used to apply torque from 10 to 65 in-lbs at 5 in-lb increments. Common uses include, but are not limited to: installation of scope ring and base screws, action screws and trigger guard screws. With proper care and use, the FAT Wrench will provide a lifetime of reliable service. Includes 9 bits, a square drive adapter and plastic hard case.