Complete Types: Include 50 pcs different grit sanding disc: 60 # 80 # 120 # 150 # 220 #, 10pcs of each type. Almost all polishing requirements are met High Quality: Sanding disc is equipped with thick D-class paper base, made of high quality alumina with abrasion resistant sand, high strength resin bonding system increases service life Easy to Change: Durable reverse velcro makes changing sanding discs easier and more convenient; Support hook and loop for faster assembly 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 needs Package contents: 1 x SPTA HGSD8KMIX Sanding Disc 50pcs (60/80/120/150/220 Grit, 10pcs of each type) Sandpaper material Sandpaper is made from alumina granules. It is durable and anti-static and offers long-lasting and efficient sanding. Meets most polishing requirements With 5 types of grit - 60/80/120/150 grit / 220,