Package includes: 1 x 7-way Blade to 5-way Flat Spiral Trailer Cable 1.5m, 1 x User Manual. Perfect for most trailers, semi-trailers, caravans, motorhomes. Often used with tail light converters with 5-way flat trailer connectors.Durable Construction: Heavy duty black plastic construction prevents rust. Stretchable 18 gauge 7 way round to 5 way flat flexible coiled cable with 1.5m full extension ensures the cable doesn't drag but still provides the extra length needed for tight turns with a trailer. Soft PVC protects the cable for long-term use. Brass and tinned terminal ensures good conductivity.Easy to Install: Connect the 7-pin blade to your existing 7-way socket and connect your existing 5-pin flat connector on your trailer to the other end of the 5-pin coiled cable. Easy installation, no splicing of cables.Stretchable Trailer Adapter Cable: This adapter converts 7-way blade vehicle end to 5-way flat trailer end, creates connection between vehicle socket and trailer plug, provides enough space and flexibility. Transfers power from vehicle to trailer.7-Pin to 5-Pin Adapter: 5-pin trailer wiring is similar to 4-pin wiring, but it adds a blue wire for the reverse light. This trailer adapter cable is designed to connect and transmit electrical signals between the tractor and the towed vehicle. It is compact enough to easily adapt your 7-WAY RV BLADE vehicle outlet to a 5-WAY FLAT connector used on light trailers. You can use this for everything from your wiring harnesses on your towing vehicles or boat trailers.