Function This shaft extension is designed to polish 1/2 or 5/8 electric motor into 1/2 threaded shafts or transfer 5/8 grinding shaft to 1/2. This shaft extension is designed to polish 1/2 or 2.3 shank electric motor into 1/2 threaded shaft or transfer 1/2 or 2.3 grinding shaft to 1/2 threaded shaft.
