Granite Polishing Kit/Package includes: 8pcs #30 diamond polishing pads Pads:Diameter 100mm/4inch", thickness 1.5mm The Pads are Aggressive and Durable made with quality Diamond Powder impregnated in Resin.Color Coded per Grit,easy to identify and provide a different professional polished find.Sharp, wear-resistant and high efficiency.Hook and Loop Backing Pad for easy connect and removal Dry for Granite Marble Stone Quartz Tiles Concrete Floor Edges Countertop Polishing Polishing Kit for Angle Grinder,Polisher,Vertical Polisher,Household Electric Drill,Optimal RPM 2200 Max RPM 4500.Never Use with High Speed Grinder, Weight: 0.3747858454 Pounds, Manufacturer: BGTEC