4-1/2" Square Trailer Coupler Tube ...Kingpin "1 1/8" HOLE
Standard king-pin with 10" round bolster plate fitted to 18" long square tube.
Durable Black powder coat finish. Fits standard gooseneck trailer coupler tubes.
Allows Gooseneck trailers to be pulled with Semi-Tractors.
30,000lb Trailer Rating
*Pull your Gooseneck Trailer with a pickup or Semi-Tractor*