Overlap Slotted Disc, Abrasive Type Coated, Abrasive Material Aluminum Oxide, Connector Size #8-32, Grade Medium, Grit 100, Overall Diameter 1 1/2 in, Series R228, Maximum Operating Speed 23,000 RPM, Overall Length Not Applicable, Overall Width Not Applicable, Backing Material Cotton, Backing Weight X, Product Type Overlap Slotted Discs