Peakora Garage Door Jackshaft Chain Hoist 3:1 Reduced Drive Heavy Duty Chain Hoist for Roll up Doors Garage Door Openers Load up to 331LBS

Strong and Durable: The high-quality iron and galvanizing process make this product wear and corrosion-resistant and ensure long-term use. 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! Simple Installation: Simple structure and complete installation accessories allow you to install it yourself in a short time. Easy to Clean: Thanks to the smooth surface, you can easily remove the dust and stains on it by just wiping it with a rag and it will shine like new.