Nobody wants their boat or trailer rolling off into the sunset. With the Bulldog 5,000 Pound A-Frame Topwind Trailer Jack Tube with 15 Inches of Travel, your receiver style trailer will stay grounded when it's not in use. 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 that's 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 Bulldog 5,000 Pound A-Frame Topwind Trailer Jack Tube with 15 Inches of Travel.