8 Inch (203 mm) Diax 120 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 Part # 91239 Sold in qty's of 1 Diameter 8 Inch Grit 120 Line Dynacut Material A/O Abrasive grain Aluminum Oxide Country of origin United States Product type PSA Discs Vacuum type Non-Vacuum