Cross Pad, Abrasive Type Coated, Abrasive Material Aluminum Oxide, Connector Size 1/4 In.-20, Grade Coarse, Grit 80, Overall Diameter Not Applicable, Series R228, Maximum Operating Speed 12,000 RPM, Overall Length 3 in, Overall Width 3 in, Backing Material Cotton, Backing Weight X, Coating Coverage Closed, Color Brown, Compatible with Grainger Part Number 464P99, Compatible with Manufacturer Model Number 8834183164, Product Type Cross Pads