Draper expert 27mm 12 square drive diesel injector socket 6 point draper expert 16216 expert quality 6 point socket for the removal of m24 threaded injectors fitted to many car and light commercial diesel engines forged from chrome vanadium steel hardened tempered chrome plated and polished for corrosion protection display packedmanufactured and tested generally in accordance with din3122 and iso3315 specifications draper expert 16216 27mm 12 square drive diesel injector socket 6 po