... Paper Rolls, Resin Over Resin, Electro-coated, Made of Aluminum Oxide and Silicone Carbide Backing: paper rolls ... DescriptionAbrasive Paper Rolls, Resin Over Resin, Electro-coated, Made of Aluminum Oxide and Silicone CarbideSpecifications/Special Features:Materials:brown aluminum ... sanding of various, and can be torn to exact lengths as neededUsed for grinding and polishing the metal, wooden,wall ...