Multi-function combo wrench with the following; delta ring barrel nut wrench, 1/2" socket adapter, jam nut wrench YHM® compatible, UTG® super slim barrel nut wrench, AR15 muzzle device wrench, A2 stock extension wrench, AR308 muzzle device wrench, castle nut wrench, 3-prong muzzle device, and flat head screw driver. Provides the means to install and remove parts often replaced and/or reinstalled on both the AR15 and AR308 platforms. Steel construction with wear resistant phosphate finish for long lasting durability. Does not fit the Ruger® SR-762™. Made by Leapers®, Inc.