The FLC-1 adapter allows you to connect a B&W Companion hitch to the FlipOver gooseneck hitch by PopUp Towing Products / Young's Products LLC.
The FLC-1 fits the 20K companion 5th wheel hitch. (Model 3500 Companion)
The FLC fits the 16K and 18K companion 5th wheel hitches. (Model 3000 Companion)