Diamond Concrete Polishing Pads - BRSCHNITT 6pcs 4 inch Grit#1500

6pcs 4" Diamond Resin Bond Dry polishing pads (#1500) Diameter 100mm 4 Inch , Total thickness 10.5mm, workable thickness 9mm Diamond Grit 1500 Suitable for processing, repairing and renovating concrete floor, cement floor, terrazzo floor Dry or Wet Grinding or polishing, Dry working could be get better performance（Recommended RPM: 2200, the Maximum RPM: 4500） Special design for concrete polishing，Cost-effective