Our sanding belts are made of material with abrasive power. The electrostatic sand planting process is adopted to make the sand grains more compact, without falling sand, and more wear-resistant, providing fast and lasting sanding, and is not easy to break. Our sanded belt adopts flat seam technology, the seams are flat and smooth, no jumping during grinding, and no wave pattern appears on the polished surface. The base is elastic and not easy to break. Widely used compatible with work sharpening knives and tool sharpeners, chip removal, painting, deburring and welding point grinding compatible with various complex metal and non-metallic materials in furniture, automobile, yacht and other industries for point grinding. Provides heavy-duty stripping and sanding tools compatible with wood, paint, fiberglass, rubber, plastic, metal, and more. Includes 30 pieces of abrasive belts, 5 each: Zirconia Coarse P80 and P120 Grit / Alumina Medium P240 and P400 Grit / Fine P800 and Silicon Carbide Use P10000 grit. It can fully meet your daily knife sharpening, grinding or polishing needs with different abrasive belts, and help you to make your work. Material:Abrasive belt size:13 x 305mm Package Contents:1 set x work sharp belts