Fulton TJ1200 Trailer Jack is designed for use with marine and utility trailers. Fulton brand tongue jacks are time-tested and application-proven. Features Z-MAX 600 Superior Plating corrosion protection. Bolt-on, includes all necessary mounting hardware and 3/8″ pull pin. Sturdy 6″ Poly wheel. The Fulton brand retaining ring swivel mount offers minimal deflection and maximum support. Mount fits up to a 3″ x 5″ trailer frame. Capacity: 1200 lbs., Travel: 10″, Retracted Length: 12.7″, Extended Length: 22.7″ (Measured Center of Mount to Bottom of Wheel) Top Clearance: 11.4″ (Measured Center of Mount to Top of Jack)