Popup Industries GN5 4" Round Straight Coupler for Semi-Tractor Rampage Products (4) 7/16-14 X 1-1/2 HSC

(4) 7/16-14 X 1-1/2 HSC Bolt

Power coated for immediate use and durability or can painted to match

and shear spring bracket assemblies included

reduces the chances for trapped air

Popup Industries GN5 4" Round Straight Coupler for Semi-Tractor Rampage Products (4) 7/16-14 X 1-1/2 HSCPull your gooseneck trailer with a semi tractor or pickup mounted fifth wheel. Simply replace the coupler with a king pin. Easily switch back and forth. 2 SAE king pins are the industry standard and are suitable for use in all over the road applications. SPECIFICATIONS Popup Industries Round Straight Coupler For Semi Tractor. For trailers with 4 ID round tube Standard S. A. E. king pin with 10 round bolster plate fitted to 18 long square or round