Product Name : Diamond Mounted ;Used for sculpturing, , precision grinding internal grinding carbide in ceramic, glass, precious stone, alloy many other abrasive materials.Great for dog nail file grinder bit , crafts, hobbies, home repair tool bit , jewelry tool , lapidary use, modeling, so much more .High quality material , -made, durability has a long service life. Highly recommended for carving polishing , metal, jade ceramic, DIY craft, craft modeling, home repair (wood, some plastic ' ) etc. Diameter : 2.35mm/ 1/8 (Compatible with Most Tool accessories bit )Colour:Photo ColorMaterial:Steel and diamondPackage Contents:75X Diamond Grinding Head (Model As show)Only the above package content, other are not included.Note: Light reflection different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.