Norton Abrasives Fiber Disc,4 1/2 in Dia,5/8in Arbor 66623399059

Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Extra Coarse, Backing Plate Material Fiberglass, Connector Size 5/8 In.-11, Connector Type Threaded Hole, Density Rating High, Flap Disc Type Type 27, Overall Diameter 4 1/2 in, Series Gemini R766, Backing Material Cotton, Backing Weight X, Coating Coverage Semi-Open, Grit P40, Maximum Operating Speed 13,300 RPM, Color Blue