The REESE Towpower pre-wired round blade 7-way connector, provides versatility in going from a 4-way flat to a 7-way standard plug. Specifications•End Type: 4 Flat To 7 Pin•With 12 Volt Outlet: Yes•Color: Black•Material: Plastic Provide Versatility In Going From 4-Flat To 7-Way Standard Plug Per-Wired With 4-Flat & Wired With Butt Connects & Ring Terminal | Reese Trailer Wiring Connector Adapter