Description
- Speed, 10V-1W r/min, powerful, can be used for shading and lining. Connected by DC line.
- One piece pen structure, changing the needle, adjusting the length of the needle, simple and convenient;
- DC interface alloy protective layer, tightly connected, more resistant to wear;
- New hand slip anti-slip design, comfortable pen grip, good hand feeling, not tired for long time use;
- All cartridges can be used