30 PCS Ring Drill Bit Set, 16-21 mm Blades Wood Ring Drill Bit Wooden Ring Maker Steel Wood Bead Drill Bit,1 x handle,6 x blades(16mm/17mm/18mm/19mm/20mm/21mm),20 x drills,1 x spanner,2 x Screw

Designed for processing bead balls.
Design your own jewelry, DIY handicrafts, home decors and more.
Each ball comes out almost perfect that you'll just need a little sanding or polishing after.
Fit for ebony, rosewood, deft knots, mahogany, rosewood, sandalwood blood, rosewood, ebony and so on.

Material:metal
colour:Silver+gold

Package Contents:
1 x handle
6 x blades(16mm/17mm/18mm/19mm/20mm/21mm)
20 x drills
1 x spanner
2 x Screw

Only the above package content, other products are not included.
Note: Light 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.