Kincrome 1/2 Drive Metric And Imperial Socket Set – 148 Piece. Durable 60 teeth ratchet. Chrome plated bits to prevent corrosion. Made from Chrome Vanadium Steel (Cr-V). Metric and Imperial sizing. Convenient blow mould case. The Kincrome K28172 socket set is perfect for any professional application, complete with 1/2 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 blow mould carry case. Contents: 13 x 1/2″ Drive Metric Sockets: 8, 10, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24mm 11 x 1/2″ Drive Imperial Sockets: 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1″ 4 x 1/2″ Drive Impact Sockets: 16, 17, 18, 19mm 5 x 1/4″ Hex Bit Sockets: 2, 3, 4, 5, 6mm 9 x Combination Spanners: 8, 10, 12, 13, 15, 16, 17, 18, 19mm 8 x Piece Screwdriver Bit Sets: Ph, Hex, Torx, Blade, TP Torx, SLT/Posi, TPH/TPT, Mixed 2 x 1/2″ Drive Spark Plug Sockets: 16, 21mm 2 x 1/2″ Drive Extension Bars: 125, 250mm 1 x 1/4″x1/4″ Coupler 1 x 1/2″ Universal Joint 1 x 1/2″ Socket Driver Adaptor 1 x 1/4″ Spinner Handle 1 x 1/2 Reversible Ratchet 1 x 12 Piece Imperial Hex Key Set 1 x 13 Piece Metric Hex Key Set. Kincrome 148 Piece 1/2 Drive Metric & Imperial Socket Set. Chrome Vanadium Steel (CR-V). Maximum socket size (mm). Minimum socket size (mm). 1 x Kincrome 1/2 Drive Metric And Imperial Socket Set – 148 Piece.