Fangrui Product Details [material] This Diamond Drill Is Made Of High -quality Diamond Particles And Metals, Which Is More Durable And Cut More Sharply. [details] This Diamond Particle Coating Grinding The Burr Set Includes 12 Sizes: 0.5mm-8mm (see Figure 2). The Diameter Of The Handle Is 2.35mm (3/32inch). [widely Used] Diamond Diamond Set, Suitable For Millstones, Ceramics, Glass, Hard Alloys, Tiles, Marble, Jewelry, Rocks And Other Fields. Very Suitable For Carving Animal Eyes [application] Bowl -shaped Diamondburra Is Strongly Recommended For Crafts, Hobbies, Home Repair, Jewelry, Gem Processing, Shape, Etc. [easy To Use] 2.35 Mm Diamond Diamond Drill Is Suitable For Most Rotating Tools, Including For Dremel. Note: When Using This Product, The Chip To The Correct Size (2.4mm). Material: Metal Colour: Silver Package Contents: 12 X Diamond Burr Bits Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little