To be used with manual back stands3M Precision Shaped Grain blend provides up to 2x longer life on medium pressure applications than comparable aluminum oxide beltsModerately flexible backing provides conformability for grinding and blending both straight and contoured surfacesGrinding aid cools abrasive processes on heat-sensitive alloysSuitable for wet and dry applications on all metalsDurable resin bond resists deterioration from heat, extending the life of the abrasive cloth