Hopkins Plug - In Simple 6 - Pole Round to 4 - Wire Flat Adapter - 47315 | Blain's Farm & Fleet
Amazon.com: Super repairman 7 Pin Round to 4 Pin 5 Pin Flat Blade Trailer RV Boat Adapter Plug : Automotive
MaxxHaul 70086 7-way Round To 4-way Flat Trailer Plug Adaptor with 18-in Flexible Cable Which Extends To 36-in in the Trailer Parts & Accessories department at Lowes.com
Amazon.com: Nilight 7 Pin Round to 4 Pin 5 Pin Flat Blade Trailer Light Adapter 2 in 1 Trailer Plug 7 Way blade to 4 Way 5 Way Flat Trailer Connector Plug
Kohree 4 Way Flat to 7 Way Round Blade Trailer Adapter
Seven-Way Blade to 4-Way Flat Trailer Adapter
4 to 4-Way Round-to-Flat Trailer Plug Adapter | West Marine