8 Inch Solid Wheel Sidewind Round Swivel Trailer Jack With Bolt On Capacity 675KG Jockey Wheel Boat RV Parts Accessories This trailer jack is rated to support up to 1, 500 lbs of trailer tongue weight and includes bolt-on mounting hardware for secure attachment to the trailer tongue.It features an 8-inch diameter solid wheel for convenient mobility during coupling and positioning.The sidewind handle allows smooth with 11 inches of vertical adjustment, offering a retracted height of 13 inches and an extended height of 24 inches.Designed with a swivel bracket, the jack rotates upward to provide clearance while towing and locks securely in place with a heavy-duty pull pin.Constructed with a zinc-plated finish, it resists corrosion from water, road salt, and other environmental elements.Suitable for use with boat trailers, caravans, and RVs.