Barker VIP 12-Volt Trailer Jacks have been designed to provide all the features RV owners desire at competitive proces unmatched by similar products. Best of all, their top quality is the same you have come to expect from any Barker product. VIP Jacks featurea night light and level, attached foot pad, emergency crank-through head, sealed waterproof inner tube, 10 gauge hook-up wire, and a two-year warranty. Lifting Capacity: 3,000 lbs. Stroke: 18". Outer Post Diameter: 2".