Better work efficiency with more precision. Best drill blades specifically for modeling.

Drill Bit set of 8: 2.1/2.2/2.3/2.4/2.6/2.7/2.8/2.9mm diameter

• Short tip makes controlling easy.
• Use same collet for drills 0.5mm to 3mm.
• Obtuse angle makes drilling easy, even by hand!