The A-Frame Rack and Gear Trailer Jack is durable and reliable, perfect for nearly any application. With a 750 pound capacity, it has a 7-1/2″ retracted height and measures 20-1/3″ from mounting bracket to top of rack when retracted. This jack includes a weld on/bolt on mounting bracket, steel wheel caster base and all-welded, steel gearbox with a smooth-cranking handle that allows 4 turns per inch of travel. Bulldog Jacks have demonstrated to be the most reliable, field-proven jacks on the market. Tough and trusted, they’re built with uncompromising strength and materials engineered to hold up under rigorous working conditions.