3x21 Belt Sander Sanding Belts 1000 Fine Grit Flexible Silicon Carbide Sander Belts for Knife Sharpening,10-Pack

10-Pack 1000 Fine Grit Flexible Silicon Carbide Sanding Belts 3x21 for 3 X 21 Inch Belt Sander, Fully Waterproof Material. Can be run wet or dry. Heavy backing., Silicon carbide grain, closed coat, heavy duty y-weight polyester cloth backing, Precision engineered bi-directional tape joint, anti-clogging stearate, and resin over resin bonding for long belt life, Silicon Carbide sander belts are best for sanding of: glass, stone, granite, cement, composites, plastics and light metal finishing.