Drill Bit for set of 5 (B)

Drill Bit for set of 5 (B)

The best drill blades especially for modeling and focusing on the function to use with a pin vise.
The best length for use with a pin vise.
Smooth cutting obtuse angle edge.
Obtuse angle Drill Bit drills smoothly, not shaky, and easy to drill almost perfect circle.
Drill Bit set of 5, 1.0, 1.5, 2.0, 2.5, 3.0mm diameter.