Fiber discs are general purpose sanding, grinding, and polishing discs, used in wood, metal, casting, and stainless steel applications. These discs are coated with a tough abrasive resin that makes them superb for heavy-duty jobs. Aluminium oxide grinding discs are great for weld removal and blending tasks, while silicon oxide discs make shaping marble, fiberglass, enamel, porcelain, and epoxy a breeze. Fiber polishing wheels and polishing pads make quick work of buffing and polishing wood floor surfaces prior to varnishing. Zoro also has a great selection of quick change discs, back up pads, and flap discs too.