Garage Door Jackshaft Chain Hoist, 3:1 Transmission Ratio Heavy Duty Chain Hoist for Workshop Warehouse, Door Roll up Openers Drive for Roller Shutters & Garage Doors, 331lbs Load Capacity

DescriptionThis garage door jackshaft chain hoist is carefully crafted with high-class materials, making it sturdy, durable, and stable. It is equipped with a sturdy chain and a 3:1 transmission ratio, coupled with smooth ball bearings, making operation incredibly easy. It's like a strongman; even bulky doors can be easily handled by it!DetailsUltra Long Chain: This 26ft chain is a small expert, allowing you to install and operate it as you please, with less restrictions!Rounded Edges: The rounded edges not only ensure safe use but also enhance the aesthetics of the product.ApplicationIt is mainly installed next to garages, warehouses, roller shutters, etc. The hand-pulled chain lifts the door.SpecificationsColor: SilverMaterial: IronProcess: GalvanizedAssembly Required: YesTransmission Ratio: 3:1Chain Length: 8m/26ftLoad Bearing Capacity: About 150kg/331lbsGear Inner Diameter: 5cm/1.97inGear Outer Diameter: 15cm/5.91inHand Puller (W*H): 25.5*19cm/10.04*7.48inGross Weight: 11kg/24.3lbsPackaging Size: 26*23*14cm/10.2*9.1*5.5inPackage Included1*Garage Door Jackshaft Chain Hoist Other Accessories for AssemblyNotes1.Please check the size carefully before ordering.2.Additional chains may be required for doors or vertical lift doors that are over 14 feet.3.Please allow the slight color difference caused by the shooting light and 1-3cm error due to manual measurement, and make sure you do not mind before you order.

• 🏘️【Steady Running】Ball bearings and lubricating oil are like a SPA for each component, making it easy for them to rotate. The 3:1 transmission ratio and reduction drive ensure that whether lifting or lowering, it can be as smooth as taking a luxury elevator!
• 🏘️【Easy-to-Use Design】These large gears are like the arms of a strongman (5.91in diameter). Combined with a magical ratio of 3:1, you only need to turn a few times to lift heavy objects high. It's like having superpowers!
• 🏘️【Stability Guarantee】The sturdy chain and materials can stably withstand a weight of up to 331 pounds. In other words, you can confidently use it to lift the garage door without worrying about the chain breaking!
• 🏘️【Handy Tool】With it, whether it's pulling up the rolling shutter door or the garage door, it's as easy as eating potato chips. Don't worry about slipping or lack of strength anymore!
• 🏘️【Strong and Durable】The high-quality iron and galvanizing process make this product wear and ensure long-term use.