Feature: 1. POWERFUL LIFTING CAPACITY: With a static load capacity of 8000lbs and a dynamic load capacity of 7000lbs, this trailer jack can handle even the heaviest lifting tasks. It is a powerful tool that provides reliable support for all your towing needs. 2. EXCEPTIONAL STABILITY AND DURABILITY: Engineered from heavy duty carbon steel with a galvanized inner tube and powder finish, this trailer jack is built to last. It offers enhanced damage resistance, maximum strength, and rigidity for long lasting performance. 3. VERSATILE APPLICATIONS: Ideal for lifting travel trailers, horse trailers, and multipurpose trailers, this welding on trailer jack provides the strength and stability you need. The handle ensures comfortable operation when raising and lowering your trailer. 4. ADJUSTABLE HEIGHT: The 8000lbs heavy duty trailer jack is perfect for lifting RV trailers and yacht trailers with a lifting range of 6401360mm. Sturdy and versatile, it offers reliable support for all your towing needs. 5. EASY TO USE: Despite its heavy duty construction and powerful lifting capacity, the trailer jack is easy to operate, making it a convenient tool for all your trailer needs. The seamless design ensures hassle free installation, saving you time and effort. Specification: Item Type: Heavy Duty Trailer Jack Material: Metal Load Capacity: Static: Approx. 8000lbs (3.6 tons), dynamic: 7000lbs (3.1 tons) Three sections of Two Stage Lift: Approx. 15 inches / 381mm screw lift, 13.39 inches / 340mm square tube travel Surface Treatment: Black spray paint on outer tube, galvanized inner tube Installation: Direct Welding Product Height: Approx. 640mm/25.2in retracted height, extends to a maximum of 1360mm/53.54in Application: For RV Trailer, Horse Trailer, Utility Trailer, Yacht Trailer. Package List: 1 x Trailer Jack Note: Do not excessively use