Garage Door Jackshaft Chain Hoist, Chain Hoist for Roll Up Doors, Garage Door Openers Description 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. Application It is mainly installed next to garages, warehouses, roller shutters, etc. The hand-pulled chain lifts the door. Package Included 1*Garage Door Jackshaft Chain Hoist Other Accessories for Assembly.
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