This Rota-Flex pin box combines a pivoting head with a rubberized torsion compound to manage the transfer of force during towing. By allowing independent movement between vehicle and trailer while keeping the kingpin level, it minimizes chucking and vibration-related wear.

• 21,000 lb gross weight capacity
• Pivoting head with rubberized torsion compound
• King-pin coupler with turret included
• 26-7/16″ length, 12″ width
• 2-row bolt pattern
• Includes king pin, turret, and locking wedge
• Black powder-coated steel
• Reduces coach damage and driver fatigue
• Limited 1-year warranty