Invincible Marine BR59396 TrailerWire Adapter 7-Round to 5 Flat Made using the highest quality components Performance and quality tested The most trusted name in marine accessories and equipment Converts a 7-way blade-type plug to a 5-wire flat (short lead) No cutting, splicing or plug changes needed The heavy-duty ABS housing has non-rusting aluminum contacts and durable in any kind of weather A must have accessory for boat, trailer and RV towing Comes with a 1-year warranty