3M 3M Scotch-Brite Non-Woven Silicon Carbide Hook & Loop Disc - Very Coarse Grade - 7 1/2 in Diameter - 4 1/2 in Center Hole - 04417 61500017787

3M Scotch-Brite non-woven hook & loop disc uses silicon carbide as the abrasive material and has a diameter of 7 1/2 in. Since this product is non-woven, grade is generally used to describe the abrasiveness; with the 04417 having a very coarse 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 1500 RPMs.