This YOMILINK trailer jack is an absolute beast that can handle up to 8000 pounds! The weld-on design means you can position it exactly where you need it on your trailer frame for optimal support. With 28.9 inches of vertical travel, it adjusts from 24.6 to 53.5 inches high - perfect for both low-profile and high-profile trailers. The 5-level adjustable drop leg gives you even more flexibility to keep your trailer level on uneven ground. Operation is smooth thanks to the winding handle that provides fast, easy cranking without struggling. Built from heavy-duty carbon steel with galvanized inner and outer tubes plus a sturdy powder finish that resists corrosion from weather, road salt, and marine environments. All the hardware is Grade 5 or GB 8.8 quality, so you know it's built to last. The tube diameter is 2.55 inches, giving it solid stability under heavy loads. Perfect for utility trailers, boat trailers, RV trailers, horse trailers - basically any heavy-duty towing situation where you need reliable support. The welding installation means once it's on, it's not going anywhere. If you're tired of struggling with inadequate jacks or worrying about your trailer stability during loading/unloading, this heavy-duty jack provides peace of mind that your trailer is securely supported. Seriously robust construction that inspires confidence with every use.