Fulton Dual Wheel 1,500 lbs. Bolt-Thru Swivel Jack. Marine and Recreational JackHandle Style: SidewindRetracted: 12.75&quot;Extended: 24.75&quot;Clearance: 12.5&quot;Description: Zinc with 6&quot; diameter caster, dual wheelPull Pin Diameter: 1/2&quot;Designed 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...