thanx ally,the part is the stay that ataches the numberplate/backlight to the mudguard on the uk spec bike only it was fitted to many twinshock dts from 74 onwards its the one were the numberplate and backlight is one unit and this stay ataches the unit to the mudguard there are three bolts that ataches the stay to the mudguard and 4 bolts that ataches the unit to the stay cheers billy