The most common trailer side connector, the 4 flat uses four wires to carry out essential lighting functions and is easy to install on small utility trailers. Kit contains both the vehicle side and trailer side connectors for a guaranteed fit. Splices are provided to make for a quick installation. Product Features:Includes 6 SplicesCorrosion Resistant TerminalsMost Commonly Used Trailer ConnectorFound On Small Boat/Utility48 in. Vehicle Side12 in. Wire LengthPrinted Wire Functions On Vehicle Side For Easy Wire Reference