KT World First 12 Pin Flat Metal Trailer Plug & Socket – KT Blog
Elecbrakes' 12-12 pin Adapter Plug | Discount RV Parts
Mounting Bracket Plate to Mount 2x 50 Amp Anderson Plugs Beside 4 Pin Reverse Camera Socket & Flat 7 or 12 Pin Trailer Socket and holes for two Air Fittings (Stainless Steel)