1、Fitment: Fit for F‑450 with factory installed OE rail system or aftermarket rails (30126, 30852, 30868), suitable for elite under bed bolt on gooseneck head, for hide a goose head 9466, underbed gooseneck head 9476. 2、OE Compliant: The trailer hitch ball is OE compliant with the number 19311, offering you peace of mind that it meets original equipment standards and ensuring its compatibility with your vehicle. 3、High Load Capacity: Boasting a high capacity of 30,000 pounds, this pop in ball offers exceptional strength and reliability, affording you the confidence to transport heavy loads with ease. 4、Advanced Design: Featuring a lever inside the ball head which activates a ball bearing locking system, with lift and turn lever to unlock and remove ball, safe and easy to use. 5、Ideal Size: With a specification size of 2‑5/16 inches, the hitch ball provides an optimal size to make your towing tasks considerably more efficient and effortless.