... Paper Rolls, Resin Over Resin, Electro-coated, Made of Aluminum Oxide and Silicone Carbide Backing: paper rolls Detailed ... DescriptionAbrasive Paper Rolls, Resin Over Resin, Electro-coated, Made of Aluminum Oxide and Silicone CarbideSpecifications/Special Features:Materials:brown aluminum ... as neededUsed for grinding and polishing the metal, wooden,wall and so on AdvantagesHandy rolls are packed in a ...