3" x 21" (75x533mm) Aluminum Oxide A/O Sanding Belt - 20Pcs/Box

Sanding belt is made from aluminum oxide abrasive, durable and anti-static, ideal for polished metal, wood, jade and so on. Suitable for automobile, ship, machine tools, machinery and equipment, piano, musical instruments and other precision instruments, all kinds of alloy products, stainless steel products, nonferrous metals, and high-end furniture, wooden products, handicrafts, jade, jewelry, rubber, leather, plastic, stone, glass.
Grit refers to the average particle diameter. The larger the grit, the smaller the particle size. The smaller the grit, the coarser the particles are. 

Dimensions: 3"x21" (75x533mm).
Material: Aluminum Oxide