8 Inch (203 mm) Diax 220 Grit A/O Non-Vacuum PSA DynaCut Disc Coated with premium P grade aluminum oxide that is sharp and free cutting on a broad range of suraces and matrerials like hard and sof woods, plastics, fiberglass, composites and fabricated metals The durable Cwt paper backing resist tearing and is still moderately flexible A good choice for sanding a wide range of materials including wood, metal, aluminum, composites, solid surface materials and primed or painted surfaces A non contaminating, non-loading coating resists clogging when sanding soft materials and coatings increasing disc life. The pressure sensitive adhesive coating allows for easy application and removal of the of the disc to any vinyl face back-up pad Product Information Brand Dynabrade Part # 91242 Line Dynacut Diameter 8 Inch Dimensions 8xNH Grit 220 Material A/O Mineral Aluminum Oxide Origin Country United States Product Type PSA Discs Set Quantity 1 Vacuum Type Non-Vacuum