Nobody wants their boat or utility trailer rolling off into the sunset. With the Bulldog Topwind Jack, your trailer will stay grounded when it's not in use. With a 12,000-pound lifting capacity, this jack can be used for a variety of marine and other recreational applications. Topwind crank included. This jack features a painted inner and outer tube that's weather-resistant and won't rust. It's a direct-weld designed jack and is great for agricultural, construction, heavy-duty utility, and horse/livestock trailers. Whatever trailer you own, put your mind at ease with a jack that keeps it put when not in use.