Garage Door Jackshaft Chain Hoist Opener - 3:1 Reduced Drive Heavy Duty Chain Hoist for Roll Up Doors

Experience Effortless Heavy-Duty Lifting! ZUIWAN 3:1 Reduced Drive Jackshaft Garage Door Opener - The Ultimate Chain Hoist Solution for Your Workshop & Roll Up Doors.

• Effortless Heavy-Duty Lifting---​​ZUIWAN's Jackshaft Garage Door Opener​​ features a robust ​​3:1 Reduced Drive​​ and ​​41# Roller Chain​​, delivering ​​Heavy Duty​​ performance with a ​​331 lbs load capacity​​. Lift ​​Roll Up Doors​​ smoothly and reliably, perfect for ​​Workshop​​ and ​​Warehouse​​ applications
• Superior Chain Hoist Engineering---Engineered as a premier ​​Garage Door Jackshaft Chain Hoist​​, it integrates a ​​36" #41 Roller Chain​​, ​​26' Hand Chain​​, and hardened ​​36T Sprocket (1" Bore)​​. This heavy-duty ​​Chain Hoist​​ ensures long-lasting durability for demanding ​​Garage Door Opener​​ needs
• Precision 3:1 Drive Operation​​---Experience exceptionally smooth operation. The optimized ​​3:1 Reduction Drive​​ combined with precision ball bearings and lubricated gears minimizes effort and maximizes control when operating your ​​Jackshaft Garage Door Opener​​ or ​​Roll Up Door
• Durable & Corrosion-Resistant Build---Constructed with high-grade, galvanized iron, this ​​Heavy Duty Chain Hoist​​ resists wear, rust, and deformation. Built to withstand harsh environments, it's the dependable choice for ​​Workshop​​, ​​Warehouse​​, and ​​Garage Door Opener​​ applications
• Complete & Universal Kit​​---Comes ready-to-install with all necessary hardware: ​​Chain Keeper Bracket​​, ​​1/4" x 1-3/8" Square Key​​, and Set Screws. Designed for ​​1" Bore Sprockets​​, this ​​Garage Door Jackshaft Chain Hoist​​ offers universal compatibility for seamless integration. (Note: Additional chain may be needed for doors >14ft or vertical lifts.)