High-strength split one-piece machined 2-gear 14/18T pinion gear module from tough 7075 T6 aluminum and particularly difficult coated for superior energy, light-weight, and high durability. Developed on a certain gear device, all pinions work ultra-precise enamel shaping and ultra-true operating for vibration-free operation. Fine inside threading allows effortless installation. Each pinion is okay etched utilising the enamel volume for quick & simple recognition.