SPECIFICATION:
- Frame material: Space Aluminum Alloy
- Technology: Five-axis precision Engraving Machining
- Battery: 1800mA
- Motor: Japanese motor. 8V/8000rpm
- Principle: longitudinal direct drive
- Stroke: 4.0mm
- Needle length: 0mm-4.2mm
- Voltage: 4-12V
- Grip size: 38mm