Dremel's Aluminum Oxide 5/8" Grinding Stone Accessory Bit.
A high-quality industrial abrasive made for extended usage. Use on metals, castings, welded joints, rivets and rust. Ideal for sharpening, deburring, cleaning and general purpose grinding of most materials--including stainless steel. Specially designed for working with conic surfaces. Remove rust from cars and bicycles. Deburr pipes. Sharpen fishing lures. Tip is shaped like a Hershey Kiss.
One Grinding Stone Bit
Stone Diameter: 5/8" (15.9mm) Shank Diameter: 1/8" (3.2mm)