Powered by Swiss Motor,Motor speed :13000/m
-Built-in damping adjustment for more precise adjustment.
-The softness and hardness of the needle can be adjusted freely to
meet different working needs, Liner& Shader can be easily switched.
- The pen spring can be easily disassembled and assembled in 1
minute without any technical requirements and easy maintenance.
- Low working voltage : Use HAWK cartridge needles <7.5V Other
Cartridge needle 6.5-7V