Uses a chain Hoist and Sprocket arrangement to make the door much easier to lift. Mounts on either side of the door. Chain keeper provided.
![8:1 Reduced-Drive Chain Hoist](https://www.tracrite.com/wp-content/uploads/2022/12/81-Reduced-Drive-Chain-Hoist.jpg)
Uses a chain Hoist and Sprocket arrangement to make the door much easier to lift. Mounts on either side of the door. Chain keeper provided.
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