... surface finishing 3. heat treated 1. Professional 1/2" 28 pcs chrome vanaidum socket set2.Content:22pcs 1/2 " DR metric socket: 8, 9, 10 ... , 27,28, 30,32mm1pcs: 1/2” 5" extension bar1pcs: 1/2 ”10" extension bar1pcs: 1/2” 10” L joint shaft1pcs: 1/2" speed revolving shaft1pcs: 1/2” ratchet wrench1pcs: speed revolving ...