"GEN-Y HITCH The BOSS TORSION-FLEX 2.5"" Weight-Distribution Shank 16K Hitch provides one of the smoothest tows you'll ever experience. Patented TORSION-FLEX technology offers a smoother towing experience with more control for the driver, reducing the damage your truck and trailer may experience from extended use. The BOSS weight-distribution shank works with any weight-distribution system, making it a great option for a wide variety of trailers. Engineered with SOLIDWORKS software from heavy-duty steel and finished with a silver-vein powder, the built-to-last shank features heavy-duty rubber Torsion-Flex cords and a tongue-weight scale. Meets SAE-J684 weight-testing requirements. 500-mile average break-in period for hitch. Fits 2.5"" receivers. Towing Capacity: 16,000 lbs. Mfrs. 5-year warranty on rubber components; mfrs. limited lifetime warranty on rest of components. Drop-mount cushion shank Patented TORSION-FLEX technology Silver-vein-powder finished, heavy-duty steel Heavy-duty rubber TORSION-FLEX cords Tongue-weight scale"