Features and Benefits:Compact Size for Buffing Passenger and Light Truck Tires;Flared Contour Wheels Reduce Buffing Time;Use with Milwaukee M12 FUEL™ Low Speed Tire Buffer (2409);3/8" Arbor Hole Size;The Milwaukee 2-1/2" Flared Contour Buffing Wheel is optimized for buffing inner liners of passenger, light truck, and commercial tires. The flared contour wheel design matches the tire shape to increase contact area for more consistent flat repairs. The rasp reduces buffing time which decreases user fatigue.