Features1) CNC hollowed out full metal shell, high-quality accessories, high precision, good strength, not easy to deform, high temperature resistance2) Hollow shell bracket design, lightweight design, light weight, less inertia3) CNC POM gear, reduction gear design, high transmission ratio, to achieve greater extrusion torque4) High-quality hard steel nano-coated gears, wear-resistant, good precision and long life5) Moons' 36 motor with 8 teeth, good thermal control ability, low heat generation and large torque6) There is a Teflon tube metal joint at one end, which can be adapted to more models at a short distance