Specifications Place of Origin #originPlace# Main Color Black Main Material Steel Dangerous Goods #dangerFlag# Dimensions Weights Assembled Length (in.) 7.80 Assembled Width (in.) 8.50 Assembled Height (in.) 28.30 Weight (lbs) 57.00 Product Features Built for Durability: The 12,000 lbs. Weld-on Square Jack features heavy-duty welding on the crank shaft and a robust 4" square tube construction, ensuring long-lasting performance for heavy-duty trailers. Smooth and Effortless Operation: Equipped with a twin thrust bearing system, this jack provides smooth, easy extension and retraction, simplifying the process of hitching and unhitching trailers. The large 3/4" pull pin activates a spring return mechanism for fast and efficient deployment and stowing. Easy Maintenance: Built-in grease zerk fittings make lubrication quick and easy, helping to maintain optimal performance and extend the lifespan of the jack with minimal effort. Superior Corrosion Resistance: The black painted finish offers excellent protection against corrosion and wear, safeguarding the jack from harsh outdoor elements. The beveled design on the shaft end enhances safety by removing sharp edges. Reliable Stability and Versatility: Designed with a footpad for added stability, this jack provides a secure foundation for your trailer. With a lifting capacity of 12,000 lbs. and an extended length of 54 3/4", it supports a wide range of trailer sizes and weights, making it perfect for various towing applications. Description