Turbo Quality Diamond 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:Ceramic Hybrid Edge Cutting Grinding Wheels Next:Wet Hand Held Polishing Pads for Concrete Polish