GRIP 73145 1/2-Inch SAE Professional Socket Set, Chrome, 17-Piece Drop forged, heat treated, chrome vanadium steel. Chrome plated to resist rust and corrosion. Includes: 10" quick release ratchet, 5" ext bar, 15" flex breaker bar, 13 pc 1/2" shallow sockets, blow mold case. 27mm), Sizes: 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8", 1 1/4".