Draper expert 38 square drive hi torq bi hexagon deep sockets in display packs draper expert 53592 expert quality 12 point deep sockets manufactured from chrome vanadium steel hardened tempered chrome plated and polished for corrosion protection chamfered ends allow positive nut location overall length 65mm display packedmanufactured and tested generally in accordance with din3122 and iso3315 specificationsdraper expert hi torq174 is a registered trademark of draper tools ltd dra