Weiler Vortec 1 in. Knot Wire End Brush is a professional shank-mounted brush designed for power brushing applications in hard-to-reach areas. Featuring a 1/4" shank that mounts easily on drills, this brush is i for tough tasks such as rust and paint removal, pipe cleaning, and spot facing. Its extra coarse wire, sized at .020", ensures effective and durable performance. The brush operates at a maximum speed of 20,000 RPM, making it suitable for demanding jobs. With a diameter of 1 inch and packaged in a convenient clamshell, this tool combines efficiency and ease of use for professionals. Model Number: 36051