The Kincrome K28063 socket set is perfect for any professional application, complete with a 3/8" ratchet and assorted metric and imperial sockets. Manufactured from chrome vanadium steel, these sockets have been hardened, tempered, chrome plated, and polished for corrosion protection. All protected by a sturdy machined tin. Contents:11 x 3/8" Drive Metric Sockets: 8, 10, 11, 12, 13, 14, 15, 16 ,17, 18, 19mm11 x 3/8" Drive Deep Metric Sockets: 8, 10, 11, 12, 13, 14, 15, 16 ,17, 18, 19mm7 x 3/8" Drive Imperial Sockets: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4"2 x 3/8" Extension Bars: 75, 150mm1 x 3/8" Drive Reversible Ratchet1 x 1/4" Spinner Handle1 x 1/4" x 1/4" Coupler Holder1 x 1/4" F x 3/8" M Adaptor1 x 3/8" F x 1/4" M Adaptor2 x 9 Piece Screwdriver Bit Sets (TPT/HEX, PHI/SLT) | Kincrome 3/8" Drive Metric And Imperial Socket Set - 54 Piece