Nobody wants their boat or trailer rolling off into the sunset. With the Pro Series Towing 5,000 Pound A-Frame Topwind Trailer Jack Tube, your receiver style trailer will stay grounded when its not in use. This trailer jack is not vehicle specific, but fits with A-frame couplers. With a 5,000 pound lifting capacity, this jack can be used for a variety of marine and other recreational applications. This ergonomically designed jack features a topwind crank with a smooth and comfortable design thats easy to operate. Precision fitted parts provide added stability and proven reliability for long-term use. Accomplish dependable vertical and side load capacity that puts your mind at ease. Look no further than the innovative Pro Series Towing 5,000 Pound A-Frame Topwind Trailer Jack Tube with 15 inches of travel.