Size : the head diameter is 8 mm, the diameter is 3 mm 18 inch, and the length is 45 mm 1.8 inches; The diamond grinding head fits for most tools and die grinders Sufficient : includes 10 pieces diamond mounted points, which are enough to meet your daily use and replacement needs, and you can also share with or who are in need Sturdy: the diamond grinding are made of quality metal with diamond coatings, which are safe and sturdy, not easy to break and wear, and can be applied for a long time Dog nail file grinder bit: the 120 grit diamond grinding set is suitable for weighing 30 pounds and under, which is an essential tool for and pet-owners to achieve Apply to: the diamond coated are suitable for , sculpturing and grinding in glass, alloy, precious stone, ceramic and many other abrasive materials, and also suitable repair tool bit, jewelry tool, crafts and hobbies colour: silver Material: metal Package Contents: 1 set x Diamond grinding Only the above package content, other are not included. Note: Light and 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.