Shelby's swivel trailer jack is the replacement model for weld-on snap-ring jacks. The swivel-mount style jack includes a weld-on mount, sidewind handle, and snap ring. Provides 10" of travel. This swivel jack will replace models 5754, 5754A, 5756, 5756A, 5774, 5776, 5764A, and 5784A. Zinc construction. The trailer jack extends to 25".