Description: The bead drill tools made by hard alloy material, high hardness, very durable in use, corrosion resistance and anti-rust. Designed for processing bead balls. This carves perfect rounded beads out of any piece of wood. design your own jewelry, DIY handicrafts, home decors, gifts diy and more! Each bead comes out almost perfect that youll just need a little sanding or polishing after. Works with any type of wood: mahogany, sandalwood blood, rosewood, and so on. Drills even the toughest wood. Create your own beads! Drill smooth spheres with the wooden bead maker! Specification: Material: Cemented carbide Blade Size: 6-12 Set: 6mm, 8mm, 10mm, 12mm 6-25 Set: 6mm, 8mm, 10mm, 12mm, 14mm, 15mm, 16mm, 18mm, 20mm, 22mm, 25mm Package Includes: 1 Set of Wooden Bead Drill Bits(3 Pack) Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.