WheelerA(R) XL F.A.T. WrenchA(R) with Mil-Spec Crowfoot Set The WheelerA(R) XL F.A.T. WrenchA(R) with Mil-Spec Crowfoot Set is a complete torque solution for building and maintaining AR-15 and LR308 rifles. Featuring an adjustable torque range from 10-150 ft-lbs., the XL F.A.T. Wrench delivers precise, repeatable torque for confident assembly and maintenance. Included multi-function, dual-ended crowfoot wrenches handle eight essential tasks, making the kit ideal for mil-spec builds. Built from hardened steel and housed in a premium latching hard case, this professional-grade set is designed for accuracy, durability, and serious AR work.