20pc Hex Bit Socket Set Metric & Sae Allen Wrench Tools Chrome vanadium steel sockets Mirror polished chrome plated Metric Sizes: 7 Pc 3/8" Dr. 3MM, 4MM, 5MM, 5.5MM 6MM, 8MM, 10MM 3 Pc 1/2" Dr. 12MM 14MM 17MM SAE Sizes: 7 Pc 3/8" Dr. 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" 3 Pc 1/2" Dr 5/8", 9/16", 1/2"