The Cody Cushioned Gooseneck Ball Replaces Your B&W or Cody Hitch Ball. The Inexpensive & Unique Cody Cushion Allows You To Enjoy The Ride Qualitites Of An Expensive Air Ride System As Used On Modern Trucks. Increasing Comfort By Ironing Out Road Seams & Bumps Isn't The Only Advantage Of The Cody Cushion - By Greatly Reducing The Hammering Action Between The Trailer & Hitch, The Shock Absorber Effect Is Very Beneficial To Your Tow Vehicle, Trailer & The Hitch Itself Adjustable Air Spring For Load Specific Cushioning! Rated For Up Tp 6,000 lbs. Vertical Tongue Weight & 30,000 GVW!