Complete Types: Include 100pcs sanding disc of different grits: 40/60/80/100/120/180/240/320/400/800, 10pcs of each type. Almost all polishing requirements are met.High Quality: Sanding disc is equipped with a thick D-class paper base, made of high quality alumina with heat-resistant sand. #39;abrasion, high-strength resin bonding system increases service life.Easy to change: Durable reverse paste surface makes changing sanding disc easier and more convenient. Applicable Operation: Suitable for grinding and polishing metal, non-metal, wood, rubber, leather, plastics, stone, glass and other materials . Very practical and you can order according to your needsSuitable for random orbital sander: 150 mm, pre-punched with 6 holes for dust suction, strong and durable. Papier Abrasif pour ponceuse excentrique de qualit professionnelle. 150mm Sanding Disc: Suitable for random orbital sander: 150 mm. 10 kinds of grains: 100 pieces in total: 10 x 40 grains; 10 x 60 grit; 10 x 80 grit; 10 x 100 grit; 10 x 120 grit; 10 x 180 grit; 10 x 240 grit; 10 x 320 grit; 10 x 400 grit; 10 x 800 grits. With 10 types of grits from coarse to fine, all your needs can be met (each type includes 10 pieces).