Blue Spot 01502 3/8 in Drive metric socket set 11 piece consisting of- 10 x Sockets 10, 11, 12, 13, 14, 15, 16, 17, 19, and 22mm. 1 x Extension Bar. 1 x Ratchet handle. The sockets and ratchet are made from strong and durable chrome vanadium. The sockets are knurled to provide a secure hold and the ratchet has a soft grip handle for comfortable use.