3M Scotch-Brite SC-DH Non-Woven Aluminum Oxide Blue Hook & Loop Sanding Discs - Very Fine 27 Inch Grit 16918 (Case of 50) - Perfect for Metal Polishing, Wood Sanding & Surface Preparation

3M Scotch-Brite non-woven SC-DH hook & loop disc uses aluminum oxide as the abrasive material and has a diameter of 27 in. Since this product is non-woven, grade is generally used to describe the abrasiveness; with the 16918 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 hook & loop disc can be run at a maximum speed of 1000 RPMs.