Draper expert 12 square drive 6pt hi torq metric sockets draper expert 9873 expert quality 6 point sockets manufactured from chrome vanadium steel hardened tempered and satin chrome plated with knurled ring for extra grip chamfered ends allow positive nut location display packedmanufactured and tested generally in accordance with din3122 and iso3315 specificationsdraper expert hi torq174 is a registered trademark of draper tools ltd draper expert 9873 27mm 12 square drive 6pt hi