About this 3D model
Planetary Gear WDT, most versions on the market are basically without bearings, and the feel is terrible. This version adds a deep groove ball bearing, the feel is excellent and the overall cost is only 15 yuan.
Planetary Gear WDT, most versions on the market are basically without bearings, and the feel is terrible. This version adds a deep groove ball bearing, the feel is excellent and the overall cost is only 15 yuan.