Draper 16494 Draper Expert Metric Deep Socket Set on a Metal Rail, 3/8" Sq. Dr. (15 Piece)Contents: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm Features Contents: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 and 22mm 6 point sockets Manufactured from chrome vanadium steel, hardened, tempered, chrome plated with micro satin finish Each socket has a knurled ring for extra grip Dimensions & Weight Weight 1. 494 kg Length 450 mm Width 137 mm Height 40 mm Standards & Warranty Manufactured and tested generally in accordance with DIN3122 and