Red Hound Auto Swivel Trailer Jack w Double Wheel Twin Boat Camper Towing Red Hound Auto Trailer Side Mounted Swivel Jack Wheel rotates a full 360, and jack swings up to keep out of the way when not in use Easy to bolt on and operate; Mounting hardware included Bolt on, fits trailer tongues up to 375" wide and 425" high The heavy duty product is industrial; grade, made to handle the toughest conditions