1.28mm planetary gearbox,Double the shaft. 19:1. 2.Can allocate deceleration than 3.A variety of outer diameter to choose from

1.28mm planetary gearbox,Double the shaft. 19:1.2.Can allocate deceleration than3.A variety of outer diameter to choose from

4.plnaetary gear box,Can be equipped with dc motor, brushless motor, stepping motor

28mm planetary gearbox with dc motor of GMP28