BikeMaster 8 Piece Set Chrome Ratchet with Socket Set - 3/8"/-- Taking tools on the road is always a hassle! Socket sets can be too big, with too many pieces, and the sockets often get lost With this great BikeMaster solution...the sockets store inside the hangle, so they stay in one place, protected, ready! 3/8in. sizes: 8, 10, 12, 13, 14, 17, and 19mm