Kobalt 11-Piece Standard 3/8" Drive 12-Point Socket Set 85213 3/8-in drive deep socket set contains SAE sizes 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16 and 7/8-in 12-point design allows work on multiple fastener types including 6-point, 12-point, square, star and some rounded 12-point socket design allows flexibility and versatility in socket positioning Constructed of chrome vanadium steel and heat treated for strength and durability Professional grade high-polish finish