Wheelers Scope Mounting Kit features professional grade bits and the F.A.T. wrench to properly secure fasteners without deformation. Also featuring 10 gunsmithing screwdriver bits, lapping bars, ring alignment bars, for 1 inch/30MM rings, lapping bar handle, lapping compound, thread lock and an instructional DVD. scope ring alignment bars scope ring lapping rod and handle and lapping compound includes a level-level-level, F.A.T. wrench 10 gun smithing bits thread locking compound WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.