Use your Dremel rotary tool to grind, sand, surface, shape, and deburr hard materials. The 547GR multi-material diamond grinding wheel uses patented diamond embedding technology to create a diamond-coated surfacing wheel that can remove coatings such as rust, thin set, paint, and sticky adhesives from metal, concrete, tile, wood, and more. With best-in-class grinding performance on hard materials, the 547GR provides long-lasting durability and fast results. The 547GR has up to 30X the life of our silicon carbide grinding stone accessories. Applications include cleaning rust from metal patio furniture, shaping and sanding hard woods, cleaning bricks and paving, removing thin-set from tile, removing blemishes and smoothing cracks in concrete, and shaping granite and stone.