Draper 16659 Draper Expert 6 Point Metric Deep Socket, 1/2" Sq. Dr., 30mm6 point socket manufactured from chrome vanadium steel hardened, and tempered with a micro satin finish. Each socket has a knurled ring for extra grip. Features 6 point sockets Chrome vanadium steel Micro satin chrome plated for corrosion protection Dimensions & Weight Weight . 373 kg Length 140 mm Width 43 mm Height 40 mm Standards & Warranty Manufactured and tested generally in accordance with DIN 3124, ISO 2725 1 Specifications Lifetime warranty