Replaces the trailer-end plug of any 7-way harness; Soft thermoplastic elastomer casing remains flexible in cold temperatures; Temperature rating from -40F up to 221F; Interchangeable with other 7-way RV blade connectors; 7-way connects tail, brake, reverse, turn signals, brakes and auxiliary power; 6' cord length to fit your specific towing setup; Color-coded wires for easier splicing