3M Cubitron II Cloth Belt 784F 3M Cubitron II Cloth Belt 784F features 3M Precision Shaped Ceramic Grain for longer life and a faster, more consistent cut than aluminum oxide beltsA precise mix of shaped ceramic and premium aluminum oxide delivers optimal cut in medium pressure grinding and blending applicationsThe sanding belt also features a waterproof backing and grinding aid. Product Information Brand 3M Part # 7100128757 Line Cubitron II Origin Country USA Product Information3M Precision Shaped Grain blend provides up to 2x longer life on medium pressure applications than comparable aluminum oxide beltsDurable resin bond resists deterioration from heat, extending the life of the abrasive clothGrinding aid cools abrasive processes on heat-sensitive alloysModerately flexible backing provides conformability for grinding and blending both straight and contoured surfacesSuitable for wet and dry applications on all metalsTo be used with manual back stands