Full Types: Include 100pcs different grit sanding disc: 40/80/120/180/320/600/800/1000/1500/2000, 10pcs of each type. Almost all polishing requirements are metHigh 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 lifeEasy to Change - Durable reverse velcro makes changing sanding disc more easy and convenient; Support hook and loop for faster assemblyApplicable Operation: Suitable for grinding and polishing metal, non-metal, wood, rubber, leather, plastics, stone, glass and other materials. Very convenient and you can order according to your needsPackage Contents: 1 x Sanding Disc 100pcs (40/80/120/180/320/600/800/1000/1500/2000 Grit, 10pcs of each type) Made of wear-resistant class D paper which is not easily damaged during polishing. The 150mm diameter is more convenient for grinding large surfaces such as plates. Durable Velcro and hook design means you can change sanding paper faster. With 10 types of grits from coarse to fine, all your needs can be met (each type includes 10 pieces). Calcined aluminum oxide combined with high-strength resin makes the sandpaper more durable. Good heat dissipation performance, wear-resistant; sand particles uniform, not easy to fall off the sand. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the Light and display difference, there will be a certain color difference, depending on the physical object received Delivery Quantity: (according to the main picture)