Carbide Finger Grout Rasp Oscillating MultiTool Blade 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. Features: 1. Coarse sanding and shaping of fillers, tile adhesive, concrete, soft stone and wood 2. Narrow blade is ideal for detail sanding and shaping in corners and small, tight spaces 3. Extra large brazed carbide grit for a long lasting grinding surface