VERSATILE APPLICATION: Silicon Carbide sander belts excel in sanding glass, stone, granite, cement, composites, plastics, and provide excellent finishing for light metals. LAPIDARY AND GLASS STANDARD: Widely recognized as the standard product for lapidary work and glass projects due to its superior performance on hard surfaces. EXCEPTIONALLY SHARP CUT: Silicon carbide composition ensures an extremely sharp cut, making these work sharp belts ideal for precision work on a variety of hard materials. WATERPROOF MATERIAL: Fully waterproof, these belts can be run wet or dry, offering flexibility in applications. The heavy backing ensures durability in tough conditions. QUALITY ASSURANCE: As the manufacturer, Red Label Abrasives guarantees the quality of these 2 X 42 Inch Silicon Carbide Sanding bands. Purchase with confidence, backed by our money-back guarantee. 2" X 42" 220 Grit Premium Silicon Carbide Sanding Belts (narrow Belt). 6-Pk. Silicon Carbide (S/C), closed coat, heavy duty Y weight polyester cloth backing. High quality and long lasting industrial abrasive sanding belts provide a sharp and long lasting cut on glass, stone, granite, composites, wood, plastics and metal. Heavy duty Y-wgt material provides extra strength for working with grinding and smoothing applications, Resin over resin bonding. Bi-directional tape joint. Wet or Dry applications. Assembled in America.