Planetary Gearbox WPL060 to suit motor shafts up to 14mm A highly efficienct and lightweight gearbox, providing greater output torque capabilities. These units are also highly durable, well sealed and quiet to operate Available in the following ratios: 3:1; 5:1; 7:1; 10:1; 15:1; 20:1; 30:1; 40:1; 50:1; 70:1; 100:1