Good Material: Made from alumina granules, which is durable and antistatic, it can provides long-lasting and efficient sanding, makes sanding easier. Assorted Sanding Pads: 10 different grits sandpaper (40/60/80/100/120 /180/240/320/400/800 Grits,each grit 10pcs total 100Pcs), assort from rough to fine satisfying your polishing requirements for perfect cleaning and polishing effects. 150mm sanding discs for random Track : 150mm in diameter, pre-punched with 6 holes for dust extraction, Hook and loop backed, suitable for all 150mm random Track . Widely Used: Applied to materials such as metal, non-metallic materials, leather, plastic, wood, rubber, stone and glass, for perfect cleaning and polishing effects. Material:Alumina colour:Red Package Contents: 100 * Sanding paper set Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.