Package :3 pieces of 3 inch Metal Diamond Floor Polishing Pads Grit 50 Diameter:3 inch 80mm,Workable Thickness:8mm,Shape:10 teeth sprial,Material :diamond and metal bond Feature:Hoop & loop self adhesive backed,High diamond concentration for long life and aggressive material removal Application:Diamond Floor Polishing Pads For for Concrete Floor Tile Stone Glass Marble Grinding Polishining Dics Use dry or wet recommend,Used with floor grinding/polishing machines Metal bond diamond polishing pad are designed to remove coatings on concrete floor to prepare the floor for polishing. professional design helps remove coatings more evenly and effectively.Machine Compatible :Active planetary grinding machines,Passive planetary grinder,Polishing machine, Anble grinder, floor scrubber.