• Power & Manual Operation：Enjoy the flexibility of both power and manual operation. Effortlessly raise or lower your trailer using a power drill for speed or the manual crank for precision—perfect adapts to various environments（Contains Socket Set）
• Heavy-Duty Lifting Capacity：Lift up to 8000 lbs with ease! This boat trailer jack adjusts smoothly from 4.7" to 33.4", suitable for tall or low-profile trailers
• Quick Setup & Easy Operation：Designed for hassle-free installation, it can be bolted or welded to your trailer tongue. The ergonomic crank handle ensures fast, smooth, and effortless height adjustments
• Built to Last：Constructed from heavy-duty carbon steel with a spray-coated surface, this jack delivers unmatched strength and corrosion resistance, ensuring long-lasting performance in all conditions
• Easy Installation: Our trailer jack comes with all the necessary parts and includes detailed instructions to guide the assembly,（including the installation bolts）. If you have any questions after receiving this package, feel free to contact us via Amazon mail