Plastic Gearbox Planetary DC Motor - OD: 10mm L: 19.5mmPlastic Gearbox Planetary DC Motor OD: 10mm L: 19. 5mm Description: These micro planetary motors are made with plastic gears for low speed and low noise but high torque comparatively speaking. They are commonly used in the medical field. However, hobbyists can use them for their electronic projects. Lead time 3 weeks Technical Parameter: Gear Ratio Voltage Range Rated Voltage No load Speed No load Current Stall Torque Stall Current Model 1 1: 171 1.