A smoother ride is on the way! The CURT Rota-Flex 5th wheel trailer pin box is designed to endure the ruggedness of the roads you encounter on your journeys, day after day and mile after mile. Replaces Lippert 1621 or 1621HD 5th wheel pin boxes. Reduces chucking and absorbs road shock. Long jaw with pivoting head. Bolt-on installation with no assembly required. Constructed with steel and a black powder coat finish that protects against rust. Powder-coated lower jaw. 18,000-lb. towing capacity Made in the USA

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov