The air grinder and the grinder wheel can be quickly and easily coupled with little force, and the air grinder can be connected to the grinder wheel.

Using the rotational force, the grinder wheel can be easily fastened without tools to the fastening nut,

and the rotational force to the grinder wheel rotates in the opposite direction,

separation is prevented, so it can be used safely, and the grinder wheel rotates.

Available for 4" and 7" Air Grinders.