Scotch-Brite DF-BL Non-Woven Sanding Belt

3M Scotch-Brite non-woven DF-BL sanding belt uses aluminum oxide as the abrasive material. Since this product is non-woven, Grade is generally used to describe the abrasiveness; with the 64475 having a coarse grade. This particular 3M sanding belt is 1/2 in wide by 18 in long.