Wheeler Engineering Delta Series 1 1/8in and 1 1/4 AR-15/LR308 Barrel Nut Crowfoot Wrench Black. This professional-grade hardened steel wrench is specifically crafted to stand up to the rigors of AR-15/LR308 assembly maintenance and modification; allowing you to tackle any AR building or maintenance task. Each wrench is purposely-built with precision allowing you to install handguards muzzle devices and barrels with confidence. Specifications for Wheeler Engineering 1 1/8in and 1 1/4 AR-15/LR308 Barrel Nut Crowfoot Wrench: Manufacturer: Wheeler Engineering Fabric/Material: Steel Color: Black Features of Wheeler Engineering 1 1/8in and 1 1/4 AR-15/LR308 Barrel Nut Crowfoot Wrench Fits common aftermarket handguard barrel nuts Innovative dual-ended wrench design performs multiple functions per wrench? Compatible with xl f.a.t. wrench or any other 1/2'' drive torque wrenches? Professional-grade hardened steel construction withstands extreme use & resists bending? Black oxide finish prevents rust and corrosion while extending the life of the wrench? Package Contents: Wheeler Engineering 1 1/8in and 1 1/4 AR-15/LR308 Barrel Nut Crowfoot Wrench Wheeler Engineering 1199466: Delta Series 1 1/8in and 1 1/4 AR-15/LR308 Barrel Nut Crowfoot Wrench Black