With the Dremel 83322JA silicon carbide grinding stones, you can effortlessly shape and smooth hard materials such as glass, stone, ceramic, porcelain, and non-ferrous metals. The fine flame-shaped tip with a 3.2 mm diameter and 4 mm height gives you total control when working in tight corners and along curved contours. Whether you are smoothing cut tile edges, removing excess glaze from pottery, or etching detailed designs, these stones deliver crisp and accurate results. The built-in 3.2 mm shank fits directly into compatible Dremel collets without needing a separate mandrel. This three-piece pack ensures you always have a fresh accessory ready for detailed crafting tasks.