$147-Flip Over Gooseneck Hitch Accessories | FL2 King Pin for FlipOver Hitch to hook to a inverted 5th wheel hitch, this is NOT a double kingpin. Hitches & Couplers
CURT 1 in. Clevis Pin with Handle and Clip 16902 - The Home Depot
Why we're a "head" of the rest... | Fifth Wheel Hitches by PullRite
Curt 16000 5Th Wheel Rail Safety Chain Loops And Pins With Clips Rated - 20K