Features:
Excellent workmanship.
0.5-3.2mm drill collect.
Go with twist drill as a mini hand drill for ABS board,aluminum sheet,paperboard drilling.

Specification:
Material: Copper
Size:
Motor diameter: approx. 1.13in/28.6mm
Axis diameter: approx. 0.09in/2.3mm
Center axis: approx. 1.12in/28.4mm
L-shaped stick: approx. 1.85in/47mm(Length),approx. 0.61in/15.5mm(Width)         
Drill collet: approx. 0.01in/0.5mm
Drill collet: approx. 0.03in/1.0mm
Drill collet: approx. 0.05in/1.5mm
Drill collet: approx. 0.09in/2.5mm
Drill collet: approx. 0.11in/3.0mm 
Warm tips:
Size may be slight inaccuracy due to hand measure.
The precise color of the items showed on the pictures may vary slightly depending on the specific monitor, the settings or the lighting conditions.

Package included:
1 x Motor
1 x Axis
1 x Copper Cap
1 x 0.01in drill collet
1 x 0.03in drill collet
1 x 0.05in drill collet
1 x 0.09in drill collet
1 x 0.11in drill collet