3M Cartridge Roll, 747D, grade 80, 3/8 in x 1 1/2 in x 1/8 in (9.5 mm x 38.1 mm x 3.2 mm) The 3M Cartridge Roll 747D is ideal for metal finishing in small, hard-to-reach areas like corners or inside pipesThese cartridge rolls feature a blend of aluminum oxide and 3M ceramic grain on a strong cotton backing around a solid mandrel coreAvailable in both tapered and regular designs. Product Information Brand 3M Part # 7100127589 Grit 80 Length 1-1/2 Inch Material 747D Mineral Ceramic Origin Country USA Product InformationAnti-friction grinding aid reduces grinding temperatures and helps abrasive run smoothArbor hole accommodates mandrel tool attachment and can be used by a variety of toolsCeramic aluminum oxide blended mineral breaks down to reveal sharp cutting edgesMulti-layer, multi-wear design enhances abrasive longevity and helps produce a consistent cut
