The Fulton Fixed Mount Trailer Jack has a 5,000 lb. capacity and a heavy-duty drop leg for supreme stability. Heavy-gauge steel construction and strong bushing materials offer durability and minimal deflection. Zinc corrosion protection finish keeps the trailer jack working for years. Fits up to a 3" x 5" trailer frame. 6.5" retracted. 35" extended. 18.5" clearance.