The Forney 72860 5-Inch Industrial Pro Crimped Wire Cup Brush is a premium brush specially designed for use on portable angle grinders. Appropriate for brushing large surfaces with a medium removal capacity. New exclusive and patented design threads allow an easier attachment and increases resistance, resulting in more safety for the user. Forney Industries is one of America’s longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm and ranch and do-it-yourself markets. 5-Inch (127-mm) by0.012-Inch (0.306-mm) with 5/8-Inch – 11 threaded arbor. Max 8,500-RPM. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.