[Material] This diamond drill is made of high -quality diamond particles and metals, which is more 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 . Note: When using this product, replace 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 different from the real thing. The measurement allowed error is +/- 1-3cm.