This 1,000-lb. capacity Ironton Bolt-On Sidewind Marine Swivel Jack with sturdy 2-1/4in. tube is reliable and very easy to use. The sidewind internal gear design with large, grooved comfort handle makes cranking easy, while a single bolt-through design adds side load capacity. 6in. wheel for easy maneuvering. Corrosion-resistant exterior-grade black powder-coat body finish with zinc finish on handle arm. 12-3/4in. retracted length; 22-1/2in. extended length.