Direct drive rotary.
Cam with 4 stroke positions (3mm, 3.5mm, 3.8mm and 4.2mm)
that can be easily adjusted.
High torque 9V motor with oscillating system.
Suitable for all kind of needle groupings.
Recommended voltage: 6/7.5V loaded.
By default, the cam is set on the second position (3.5mm)