Appliion: Grinding | Brand Name: Dremel | Compatibility: ;Rotary Tool | Length: 1 1/2 in. | Material: Aluminum Oxide | Maximum Speed: 35000 rpm | Number in Package: 2 pk | Packaging Type: Carded | Shank Diameter: 1/8 in. | Size: 1/4 in. Dremel 953 aluminum oxide grinding stone. A high quality industrial abrasive made for extended general purpose grinding on metals, castings, welded joints ...