KEEYWOLT 4 Diamond Polishing Pads 3 Step High Efficiency Abrasive Disc for Granite Marble Concrete Flexible Grinding Rubber Backing Pad Included Complete Set: 3 Steps Polishing Pads For Both Intensive Polishing And Fine Polishing, One Set For All Your Work Rubber Backing Pad: More Heavy-duty Copper Thread And Wear-Resistant rubber Backer, With Hook and Loop for Easy Installation or Remeval; Wide Applications: General Use to Ploish All Solid Surface Materials/Countertop, Like Granite, Concrete, Marble, Stone, Tiles, etc. High Quality: With Heat-Resistance Resin Back And Top-Quality Superabrasive Diamond, More Effiency You Will Enjoy. Recommendations: Wet/Dry Polishing Are Both OK, Better in Wet, Maximum RPM 4500, Optimal RPM 2000-3000 UPC 739437932690 Set Name 3 Steps Grit Type Medium to Fine Brand Name KEEYWOLT Grit Number 36 Part Number DMP-3B-1 Manufacturer KEEYWOLT Item Diameter 4 Inches Material Type Diamond, Rubber Item Dimensions 4 x 4 x 0.1 inches Number of Items 4 Construction Type Super-Abrasive Compatible Devices Angle Grinder, Die Grinder Grit Material Type Diamond Compatible Material Granite, Marble, Concrete, Stone, Tiles Included Components Pads Item Dimensions L x W 4 L x 4 W Maximum Rotational Speed 4500 RPM Recommended Uses For Product Grinding, Polishing