Marine and Recreational JackHandle Style: SidewindRetracted: 12.75Extended: 24.75Clearance: 12.5Description: Zinc with 6 diameter caster, dual wheelPull Pin Diameter: 1/2Designed for use with marine and utility trailers. Fulton brand tongue jacks are time-tested and application-proven. Our bolt-on versions include all necessary mounting hardware. The Fulton brand bolt-thru swivel mounts use 3-D formed heavy-gauge steel stampings and proprietary bushing material for a mount with minimal deflection and maximum support. All mounts fit up to a 3 x 5 trailer frame.