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 ¼" 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 and a square drive adapter. Includes the following: •Leupold/Buehler windage bit •#10 flat blade bit •#11 flat blade bit •#32 flat blade bit •3/32" Allen bit •5/32" Allen bit •T10 Torx bit •T15 Torx bit •T20 Torx bit •Square drive adapter bit •Injection molded hard polymer case