Internal Drive Long Wheel Nuts Steel nuts with an internal drive these are particularly suited to applications with aftermarket alloy wheels as they have special paint finish and narrow holes for wheel nuts. These will prevent damage whilst removing/installing wheels. They are particularly adapted to Japan Racing wheels drilled with 2 PCDs when using the second PCD or custom PCD. Dimensions : Overall height : 45 mm Taper height : 6 mm Outer diameter : 20 mm Sold per pack of 20 + free key supplied.