This oscillating finger rasp is a great multi-tool blade attachment for handling coarse sanding and shaping on fillers, tile adhesive, concrete, soft stone and wood. The narrow blade is ideal for detail work in corners and small, tight spaces as well. The finger rasp features an extra large brazed carbide grit for a long lasting grinding surface. The universal arbor fits WARRIOR™, HERCULES®, BAUER™, CHICAGO ELECTRIC™, DEWALT, ROCKWELL, PORTER CABLE, RIDGID, CRAFTSMAN, BLACK+DECKER tools.