GP15015 Heavy Duty Thread Adapter M14x2 to 6mm shank for Electric drills / Allows to use rotary backing pad with electric drill M14 x 2 male thread to 6mm shank Allows you to use M14 x2 threaded backing pad with any hand held power drill. This gives more options on tooling and machines the backing pads can be used for. The Highest quality hardened steel.