Note：the drawing does not represent the real object, just show the parameters of the pinion

Object, M0.3 8T plastic pinion, interference fit 0.8mm shaft, thickness 3.2mm, outside gear diameter 3.0mm, weight 0.02g.

interference fit 0.8mm shaft of 6/7mm coreless motor

thickness 3.2mm

 With 12/36T dual gear and 10T gear