Turn your Dremel rotary tool into a simple-to-use rotary grinder. Our 8193 aluminum oxide grinding stone features a high-quality industrial abrasive that's perfect for extended general-purpose grinding on metals, castings, welded joints, rivets and rust. 1/8-inch shank. Ideal for sharpening, deburring and general purpose grinding on most materials including stainless steel Use on metals, castings, joints & rust For general purpose grinding 1/8 In. shank #DREMEL #GRINDINGSTONE #8193