The WheelerA(R) XL F.A.T. WrenchA(R) with Complete Crowfoot Set is the ultimate kit for the in-home or professional gunsmith looking to build AR-15's and LR-308's with mil-spec or aftermarket components. The set includes the XL F.A.T. Wrench that adjusts from 10-150 ft-lbs., providing more than enough torque required to complete any AR-15/LR308 build function with precision and confidence. Whether you're attaching accessories, assembling upper and lower receivers, or performing routine maintenance, you can be confident that the XL F.A.T. Wrench Crowfoot Set will deliver consistent and accurate torque every single time. At the core of the kit are 5 multi-function crowfo Mfg: Wheeler Engineering