The Wheeler Crowfoot Wrenches are expertly engineered tools designed for the assembly, maintenance and modification of AR-15 and LR308 firearms. Constructed from professional-grade, hardened steel, these wrenches are built to withstand the demanding conditions of firearm work. Each wrench is crafted with precision to ensure an exact fit, providing the confidence needed to install handguards, muzzle devices and barrels efficiently and securely. Whether you're building a new firearm or maintaining an existing one, these wrenches offer the reliability and durability required for any AR-related task. Dual-ended wrench design offers multiple functions per tool Works with XL F.A.T. Wrench and any other 1/2" drive torque wrenches Constructed from professional-grade, hardened steel, this product endures extreme use and resists bending The black oxide finish protects against rust and corrosion, thereby prolonging the lifespan of the wrench