Application: Diamond burrs suitable for field stone,ceramics,glass,carbide,tile,marble,jewlry,rock etc. Highly recommended for crafts, hobbies, home repair, jewelry,lapidary use, modeling, and so much more. Easy to use: Cutting burr are 3/32 inch shank fits mini engraving pen,electric rotary tool, hand drill, pneumatic power tool. High quality sets, T shape diamond burrs designed for most of rotary tools including for with 2.35mm(3/32Inch) collet. Material: This cutting burs are made of premium diamond particles and metal, and cutting. more allows you to shape grind and finish your work with precison. Color:As Shown Material:Metal Package Contents: 10 * T Shape Diamond Burr 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 different from the real thing. The measurement allowed error is +/- 1-3cm.