• ☆【Strong and Durable】The high-quality iron and galvanizing process make this product wear and corrosion-resistant and ensure long-term use.
• ☆【Stable Operation】Ball bearings and lubricating oil reduce friction during rotation, and the 3:1 transmission ratio and reduction drive ensure smoother lifting and lowering.
• ☆【User-friendly Design】The large diameter of the gears (5.91in) and the 3:1 ratio allow you to use as few turns as possible to raise the lifting height, thus saving more energy.
• ☆【Practical Tool】This product allows you to pull up the roller shutter or garage door easily, which is very practical.
• ☆【Easy to Clean】Thanks to the smooth surface, you can easily remove the dust and stains on it by just wiping it with a rag and it will shine like new.