The BlueSpot 2Pce Wheel Nut remover's locking wheel nut has a deep internal reverse thread, which grips the outside of a wheel nut and allows its removal. The Bluespot company is a premier supplier of hand tools and power tools. You can buy quality Bluespot Tools including the BLUESPOT 2 PCE WHEEL NUT REMOVER SET from DRB Car Spares.