Winders are complex devices used for precise linear movement in the stop motion animation industry.
Operated with a wheel, you can spin a pinion that moves a rack under friction to move tiny increments to achieve controlled movement.
Features:
friction nylon screws in the front and the bottom to control the sliding of the rack
in body balancing plate for the bottom friction
20 teeth brass gear module 0,5
stainless steel finished module 0.5 tooth rack