Concrete Floor Polishing Diamonds Pads Super Concrete Tools Ltd. Base Info Model NO.:RFP-24Manufacturing Process:SinteredShape:CylindricalBonding Agent:MetalGrit:50# to 3000#Use:Dry , WetTrademark:Super Concrete ToolsSpecification:3 inchOrigin:Xiamen Description Pre:Rosex Diamond Concrete Polishing Pads Next:16# 20 Seg Diamond Floor Diamond Grinding Plate