Dust-Free And Efficient Polishing:Pre-punched with 8 holes for help clear dust from the work surface, increasing sanding disc life. Wet And Dry: Can be used for both wet and dry sanding applications. Dust-Free And Efficient Polishing:Pre-punched with 8 holes for help clear dust from the work... Assortment Grits: 20pcs of each grit 320/400/600/800/1000, 10pcs of each grit 2000/3000, 7 grades sandpaper assortment from rough to fine to satisfy almost all your general polishing requirements Find The Best 5 Inch Sanding Discs Reviews & Coparison - Katynel Silicon Carbide Sandpaper POLIWELL 120pcs 5 Inch Sanding Discs Hook & Loop 8 Djibouti Orbital Sander Sandpaper Superior Results: POLIWELL 5 inch sanding discs are made or premium sharp silicon carbide abrasive, strong resin bond and waterproof latex backing paper; Providing maximum longevity & durability, excellent anti-clogging and cutting efficiency POLIWELL 120pcs 5 Inch Sanding Discs Hook & Loop 8 Holes Wet Dry 320 400 600 800 1000 2000 3000 Grit Orbital Sandpaper with 2pcs Interface Pads, Silicon Carbide Round Flocking Sandpaper Protect against damage to backing pad Extra Accessory : Includes 2 pack 5 inch 8 holes interface pads - super useful for uneven surface polishing such as corner and edges.