Turbo Quality Diamond Floor Polishing Pads Super Concrete Tools Ltd. Base Info Model NO.:WP-01Manufacturing Process:SinteredShape:Disc-ShapedBonding Agent:ResinGrit:50# to 3000#Trademark:Super Concrete ToolsSpecification:4 inch, 5 inchOrigin:Xiamen Description Pre:10′′ PCD Floor Coating Removal Grinding Cup Wheels Next:180mm Hybrid Flex Dry Concrete Polishing Pads