"The Pferd Bench Brush is idea for heavy-duty cleaning and stripping. Industrial-quality brush makes fast work of removing rust and paint. Bench and hand tool applications. U.S.A. Rated RPM 6,000, Wheel Diameter in. 6, Wheel Width in. 9/16, Arbor Size in. 5/8-1/2, Wire Size in. 0.014, Product Style Wheel brush, Wheels qty. 1."