Marble Stone Pads for Floor Polishing Super Concrete Tools Ltd. Base Info Model NO.:RFP-14Manufacturing Process:SinteredShape:CylindricalBonding Agent:MetalGrit:50# to 3000#Thickness:10 mmUse:Dry , WetTrademark:Super Concrete ToolsSpecification:3 inchOrigin:Xiamen Description Pre:Diamond Grinding Concrete Dry Polishing Resin Pad Next:Dry Concrete Floor Polishing Pad