F2 Twin Track JackIncludes Handle Hold-Up & Wheel Wedge Features, & Bolt-On Mounting Hardware for 3" x 3" & 3" x 4" FramesFulton's F2 is designed for use with marine, recreational and utility trailers, continues that Fulton heritage of innovation rethinking every feature and challenging industry conventions. The result is a reengineered high quality product that will transform the industry. It's so strong and reliable that Fulton is backing it with an unprecedented Limited Lifetime Warranty. Maintenance free - designed to eliminate the need for lubrication and maintenance. Corrosion resistant coatings cover internal and external components - will hold up in salt water and other harsh environments. Ergonomic design - crank, release pin and integrated wheel wedge are made of strong, engineered plastic for a comfortable touch. Stylish design - compliment your boat and customize your trailer's styling. Sealed and lubricated one-piece gearbox.