Red grain sanding discs 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. According to the grit range: 40~2000 grit.

Disc diameter: 4 inch(100mm)

Grit number:40,60,80,100,120,150,180,240,320,400,600,800,1000,1200,1500,2000

Weight: 6.5,6,5.3,4.5,4.5,4.1,3.8,3.3,3.1,3.1,2.8,2.8,2.5,2.5,2.5,2.5g/per disc.