Ideal for the at-home gunsmith or professional, the Wheeler XL F.A.T. Wrench with Complete AR-15 Crowfoot Set proves an essential tool kit for building AR-15s and LR-308s with mil-spec or aftermarket components. XL F.A.T. wrench adjusts from 10 to 150 ft. lbs., offering more than enough torque to complete any AR-15/LR308 build function with precision and confidence. Use the wrench for everything from attaching accessories, assembling upper and lower receivers, or performing routine maintenance. You'll be able to dial in consistent and accurate torque every time. The 5 included multi-function crowfoot wrenches with innovative, dual-ended design perform 12 different tasks. Built to the highest professional-grade standards, these hardened steel wrenches take on any AR building task assembly, maintenance and modification so you always have the right tool for the job. XL F.A.T. Wrench with Complete AR-15 Crowfoot Set from Wheeler comes organized and ready for easy carry inside a premium latching hard case. Tool set for the at-home gunsmith or professional Wrench torque adjusts from 10 to 150 ft. lbs. 5 included multi-function crowfoot wrenches Innovative, dual-ended designs for 12 different tasks Professional-grade hardened-steel construction Premium latching hard case