Fiber Disc, Abrasive Type Coated, Abrasive Material Diamond, Backing Material Fiber, Backing Weight Y, Grit 400, Overall Diameter 5 in, Series DMF12416A, Maximum Operating Speed 4, 000 RPM, Connector Size 23/32 in, Connector Type Unthreaded Hole, Color Brown, Grade Super Fine. This item has been restricted from sale in the following state (s): []