Draper expert 27mm 12 square drive diesel injector socket 6 point draper expert 26916 expert quality 6 point socket designed specifically for use on ball joints of rover mini maxi allegro bmc 111300 also flywheel nuts on rover allegro metro mini and bmc 111300 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