The Side Wind, Swing Down, Bolt On Trailer Jack allows you to raise and lower your trailer with a capacity of up to 1,000 lb. Ideal for boats and other marine and recreational applications, it easily mounts to the trailer tongue and securely locks into both raised and lowered positions with a spring loaded locking arm. Features a side winding handle with a wide grip for smooth control. Durable, 6 In. solid molded wheel allows you to move the trailer in any direction. Zinc plated finish is thick and durable to withstand extreme weather. Folds away when traveling.