Complete Type: Including 100 Abrasive Discs Of Different Grit Sizes: 40/60/80/100/120/180/240/320/400/800, 10 Of Each Type. Almost Any Polishing Requirement Can Be Met.High Quality; : The Sand Disc Is Equipped With A Thick Quality Paper Base D, Made Of High Quality Alumina. And Sand Resistant To Wear, And The Resin Bonding System To High Resistance Increases The Service Life.Easy To Clean. Replace: Reverse Veneer Durable Makes Replacing The Sand Disc Easier And More Convenient.Work Applicable: Suitable For Grinding And Polishing Metal, Non-Metal, Wood, Rubber, Leather, Plastic , Stone, Glass And Other Materials. Very Convenient, You Can Order According To Your NeedsSuitable For Random Orbital Sander: 150 Mm, Pre-Punched With 6 Dust Suction Holes, Sturdy And Durable. Premium Random Orbital Sander Sandpaper Professional.