Shop Nilight 7 Way Round RV Trailer Blade Wiring Connector Combo with Mounting Bracket Trailer Side 7 Pin Adapter Plug+Vehicle Side 7 Way Blade Trailer Wiring Harness Connector in high quality, support 2 Years Warranty. A great substitute for 7-way RV blade connectors and interchangeable with virtually any 7-way RV connectors. Also for an easy installation, the trailer plug 7 way comes with a mounting bracket and screws included.