4 Inch Diamond Resin Polishing Pads for Concrete Floor Hubei Hawking Packaging Material Co., Ltd. Base Info Model NO.:RFP-09DManufacturing Process:SinteredShape:CylindricalBonding Agent:ResinGrit:50# to 3000#Thickness:10 mmUse:Dry or WetTrademark:Super Concrete ToolsSpecification:4 inchOrigin:Xiamen Description Pre:PCD Grinding Shoe Epoxy Grinding Blade for Concrete Epoxy Next:Sti Colorful Dry Wet Concrete Polishing Resin Pads