مميزات خاصة

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.
Good Stability: Sturdy chains and construction give the product a weight capacity of up to 331 lbs, so you can lift your garage door with confidence.
Practical Tool: This product allows you to pull up the roller shutter or garage door easily, which is very practical.

وصف

This garage door jackshaft chain hoist is carefully crafted from the finest materials for superior durability and stability. The sturdy chain, 3:1 ratio, and ball bearings allow for smooth operation. As a result, even bulky doors can be lifted with ease.

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