This rugged 1 1/2in. square tube trailer jack gives you a 28 1/2in. range of travel between 25in.H and 53 1/2in.H. Made with heavy-duty steel, with zinc-plated inner tube and footplate. Length Retracted in. 25, Jack Type Square, Lift Capacity lbs. 5,000, Crank Type Side wind, Jack Tube Size in. 2 1/2, Ground Support 8 1/4in.L x 5 3/4in.W plate, Length Extended in. 53 1/2, Length of Travel in. 28 1/2, Drop Leg Travel in. 13 1/2. Features ball bearing construction, close tolerance gear trains and an extra-heavy support plate.