Draper Impact Socket Set, 3/8" & 1/2" Square Drive (32Pc) - 409/32/MMSockets forged from chrome molybdenum steel, hardened, tempered and chemically blacked for corrosion protection. Hole for accessory spring loaded ball. Packed in plastic storage case. 9 x 3 8" sockets: 8, 9, 10, 11, 12, 14, 15, 16, 17mm 10 x 1 2" sockets: 13, 15, 17, 18, 19, 21, 22, 25, 27, 30mm 10 x 1 2" deep sockets: 13, 15, 17, 18, 19, 21, 22, 24, 27, 30mm 1 x 1 2" (F) x 3 8" (M) adaptor 1 x 3 8" extension bar: 75mm 1 x 1 2" extension bar: 75mm