This Attwood Fold-Up Trailer Jack provides stable and reliable lifting and lowering of a trailer tongue. Its corrosion-resistant, zinc-plated steel tubing ensures strength and stability, and the adjustable mount and swivel system provide easy, trouble-free lifting and transport. This Trailer Jack mounts on a 3 inch x 5 inch trailer tongue. It swivels up and locks into place for transport, or pivots down to reliably support the trailer tongue during loading, unloading, or while in storage. The sidewind handle makes it easy to raise and lower the jack. This Trailer Jack has a 1,000-pound capacity and it offers 10 inches of travel and 24 inches of lift. It has a single wheel at its base. Attwood Corporation has been an award-winning leader in engineering, testing, and manufacturing the highest quality marine products for over 100 years. We deliver safe and reliable lighting, fuel systems, water systems, seating & pedestals, swim ladders, custom upholstery, and general marine accessories that are easy to install and meet regulatory compliance.