Dynabrade 13505 Dynastraight Finishing Tool, Teal Dynastraight Air-Powered Abrasive Finishing Tool for graining, cleaning and polishing on stainless steel, aluminum, carbon steel and composites 3,400 RPM, 1 hp. Model includes 13015 Threaded Arbor (5/8-Inch -11) ideal for use with optional 94472 Dynacushion pneumatic wheel