4:1 Reduction Chain Hoist
This manual chain hoist is ideal for light-duty roll-up doors that are 12’ x 14’ or smaller.
8:1 Reduction Chain Hoist
This larger, higher ratio chain hoist is primarily used on doors that are larger than 12’ x 14’ and the 3000 and 5000 Series. The chain hoist allows you to maintain better control of the travel speed when opening and closing the door.