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The 636010-0000 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 ten feet wide, and comes equipped with a 9.5 diameter drum.
Allows a heavy steel door to be opened by hand
9.5 inch diameter drum
Designed for garage doors larger than 10 feet tall or 10 feet wide
Includes everything needed to assemble, attach, and install the reduced drive hoist on an existing garage door.