Cross Pad Abrasive Type Coated Abrasive Material Aluminum Oxide Connector Size #8-32 Grade Coarse Grit P80 Overall Diameter Not Applicable Series R228 Maximum Operating Speed 18 000 RPM Overall Length 2 1/4 in Overall Width 2 1/4 in Backing Material Cotton Backing Weight J Coating Coverage Closed Color Brown Compatible with Grainger Part Number 464P98 Compatible with Manufacturer Model Number 8834183163 Product Type Cross Pads