Draper expert 14 square drive hi torq hexagon deep sockets draper expert 51811 expert quality 6 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 50mm 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 51811 7mm