Draper expert 10mm 24mm 1 2 square drive hi torq 10 piece socket set on rail draper expert 12686 b i expert quality i b set of 12 point deep sockets manufactured from chrome vanadium steel hardened tempered chrome plated and polished for corrosion protection chamfered end allows positive nut location overall lengths 80mm display packed br br b manufactured and tested generally in accordance with din3122 and iso3315 specifications b br br draper expert hi torq 174 is a