Designed for Stability & Durability】The surface of trailer jack stand is galvanized for better corrosion resistance. Adopting general-purpose fixing flange, suitable for most of most RVs, boats and machinery. Worm gear structure can effectively prevent slipping.Equipped with metal gears and E-Z drive handle for smooth operation. ⚙️【Heavy-Duty Load Capacity】Pafessa trailer jack boasts an impressive lifting capacity of 2000 lbs, making it a powerful tool for lifting tasks. With 15-Inch Stroke, it fits for no matter high-profile or low-profile trailers, such as most RVs, boats and machinery. ⚙️【Easy Installation】Our trailer jacks are classically simple in construction for use with 3/8-inch studs. It can be bolted to the trailer tongue.The unit will be very simple to operate and stow. ⚙️【Adjustable Height】Our utility trailer jack offers 15" lift, catering to your diverse needs. With multi-level adjustment, it ensures your trailer remains level on various road surfaces, ensuring a smooth towing experience! Say goodbye to trailer tilting. ⚙️【Versatile Application】This powerful boat jack is ideal for a wide range of applications. Whether you're lifting travel trailers, horse trailers, or multi-purpose trailers, it offers the strength and stability you needed. It features a detachable handle that can be used for manual operation in case of power outage or emergency situations. ⚙️【Perfect Service】We will patiently answer you if you have any questions. If you are not satisfied with our item, please contact us and we would help you solve it better.Don't hesitate.Just buy it.