Alloy Steel Material]The Bead Drill tools are made of high-hardness alloy steel, ensuring durability and resistance to rust. Multiple Size Options]Choose from a range of cutter edging diameters, including 6mm, 8mm, 10mm, 12mm, 15mm, 16mm Application]Carve perfect rounded beads from wood to design custom jewelry, create DIY handicrafts, and enhance home decor. Wooden Bead Maker]With the Bead Drill tools, you can effortlessly drill smooth spheres and make your own beads. Carbide]The drill bits are made of carbide, ensuring durability and providing precise cutting. Shank diameter is approximately 10mm. Features: *The Bead Drill tools made by Alloy Steel material, high hardness, very in use, resistance and anti-rust. *Everything You Need: Optional cutter edging diameter: 6mm/8mm/10mm/12mm/14mm/15mm/16mm/18mm/20mm/22mm/25mm/28mm/30mm *This carves perfect rounded beads out of any piece of wood. design your own jewelry, DIY handicrafts, home decors and more! *Roll up your sleeves and create your own beads! Drill smooth spheres with the Wooden Bead Maker! Specifications: *Material: Carbide *Color: Green *Shank Diameter: . 10mm/ 0.39inch *Cutting Diamete r:6mm, 8mm, 10mm, 12mm, 15mm, 16mm Color: As Shown Material: Metal Package Contents: 1*Buddha Bead Drill Bit Set 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.