The BULLDOG sets the standard for round screw jacks. They operate smoothly and efficiently with easy cranking 8 turns per inch. There is no better more reliable field proven jack on the market. With four 90 Degree quick positions secured by a convenient easy grip pin allow for rapid transition between transport and load bearing arrangements.Features. Maximum Support Capacity - 5000 lb. Handle Style - Sidewind. Mounting Style - Weld On Tube. Disc Foot. Finish - Painted Outer Tube Zinc-Plated Inner Tube