The Curt E16 5th wheel trailer hitch head comes ready to be attached to the Curt R16 5th Wheel Roller #56583 (sold separately).It features a dual-pivoting head, 10 degrees of lateral movement and an anti-rattle skid plate to provide a smoother, quieter ride. The E16 also comes with easy, single-handle operation and a durable carbide powder coat for long-lasting protection against the elements. With four height adjustment settings, the E16 is quick and simple to install, and is backed by a five-year limited warranty. Single handle operation. Anti-rattle skid plate. Four height adjustment positions to adapt to your unique truck bed. Protected by a highly durable carbide powder coat finish. Mfr. five-year limited warranty 4, 000 lb. vertical load capacity Head pivots on dual axles for 10 degrees of lateral movement Locks automatically for easy, secure coupling | Curt E16 5th Wheel Hitch Head