3M Scotch-Brite HS-DR Non-Woven Aluminum Oxide Quick Change Disc - Very Fine Grade, 1.5 Inch Diameter, 30000 RPM Max - 16538 - Perfect for Metal Polishing, Wood Sanding & Surface Preparation [Price per Disc]

3M Scotch-Brite non-woven HS-DR quick change disc uses aluminum oxide as the abrasive material and has a diameter of 1 1/2 in. Since this product is non-woven, Grade is generally used to describe the abrasiveness; with the 16538 having a very fine grade. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This 3M quick change disc can be run at a maximum speed of 30000.