Janus® Reduced Drive Chain Hoist 1950 9.5 in. Diameter Drum Rolling Steel Doors

Reduced Drive Chain Hoist 1950 lightens the load of a rolling steel door and allows it to be opened by hand using a chain. The gearbox assembly reduces the weight of heavy rolling steel mini warehouse doors and allows them to be safely opened by hand without a motorized garage door operator. This reduced drive chain hoist is specially designed to work with garage doors larger than 10 feet tall or 10 feet wide, and comes equipped with a 9.5 diameter drum.