Diamond Tool / Marble Floor Polishing Pad Dongguan Merrock Industry Co., Ltd. Base Info Model NO.:R-4Shape:CircleBonding Agent:ResinNaterial:DiamondsTrademark:APOLLOTransport Package:CartonSpecification:3 Inch 4 Inch 5 InchOrigin:China Description Pre:Metal Bonded Ultrathin Diamond Cutting Wheel Diamond Cutting Wheel for Brake Pad Grooving Next:Dry & Wet Floor Polishing Pad