RAM King Pin Gooseneck to 5th Wheel Coupler, Round, 25K

King Pin Gooseneck to 5th Wheel Coupler, Round, 25K King pin coupler allows you to pull your gooseneck trailer with a fifth-wheel hitch. The height easily adjusts to fit your application. Round inner and outer tubes replace the gooseneck coupler on your trailer. Load-bearing pin included. Features: Gooseneck-to-5th-wheel adapter lets you tow your gooseneck trailer with a 5th-wheel hitch Unique coupler fits the same as a gooseneck coupler with inner and outer tubes Adjustable height to fit your application Sturdy steel construction Heavy-duty load-bearing pin included SAE J2738 compliant Specifications: Range of vertical adjustment: 8″ 2-11/16″ From center of hole to center of hole Inner tube diameter: 4″ Outer tube diameter: 4-1/2″ Length: 20″ Pin hole diameter: 7/8″ Plate dimensions: 10″ long x 9-3/4″ wide Weight capacity: 25,000 lbs.