Drop forged, heat treated steelHardened and tempered, precision machined steel boltsBlack oxide finish for durabilitySet removes gears, pullets, and steering wheels; and separates ball bearingsIncludes (2) bearing separators (9-32-3), (2) bolts with nuts and washers for bearing separator (5-1/2L w/12 thread), (2) 6 pawls (3/8 w/16 thread), (4) 6-3/4 long connecting bolts (3/8 w/16 thread x 5/16 w/18 thread), 5-1/2 long push rod (9/16 w/10 thread), bracket, cone head for push rod, and flat head for push rod in blow molded storage case