Shop Nilight 6Inch Oval Trailer Tail Light 2PCS Red Brake Stop Turn Light White Reverse Back Up Lights with Flush Mount Grommets Plugs Mounting Brackets for RV Truck Trailer Luggage Rack in high quality, support 2 Years Warranty. Upgrade notches on the inside of grommet. These help the light and grommet fit perfectly and firmly on mounting bracket, and the 3 wires attaches tightly onto the light. Shake proof, there will be no worries of loosing light or wires.