Product Details: The 3M 3" Aluminum Oxide Non-Woven Type Surface Conditioning Disc is the perfect tool for deburring, blending, refining, cleaning and finishing. This durable aluminum oxide abrasive material operates well on metal and cuts quickly, producing a finish that is uniform and consistent. With these discs, you will have ample resources to complete the task at hand. FleetPride is your First Click in Heavy Duty®.