Draper expert 27mm 12 square drive diesel injector socket 6 point draper expert 55540 expert quality for lambda sensors special slot in the side of socket for sensor wire clearance also suitable for diesel injectors found in mitsubishi nissan opel vauxhall and vw vehicles manufactured from chrome vanadium steel hardened tempered and chemically blacked for corrosion protection display packedmanufactured and tested generally in accordance with din3122 and iso3315 specifications drap