Package includes 1 7way Blade to 5way Flat Spiral Trailer Cable 1.5m, 1 User Manual. Perfect for most trailers, semitrailers, caravans, motorhomes. Often used with tail light converters with 5way flat trailer connectors.Durable Construction Heavy duty black plastic construction prevents rust. Stretchable 18 gauge 7 way round to 5 way flat fleible coiled cable with 1.5m full etension ensures the cable doesnt drag but still provides the etra length needed for tight turns with a trailer. Soft PVC protects the cable for longterm use. Brass and tinned terminal ensures good conductivity.Easy to Install Connect the 7pin blade to your eisting 7way socket and connect your eisting 5pin flat connector on your trailer to the other end of the 5pin coiled cable. Easy installation, no splicing of cables.Stretchable Trailer Adapter Cable This adapter converts 7way blade vehicle end to 5way flat trailer end, creates connection between vehicle socket and trailer plug, provides enough space and fleibility. Transfers power from vehicle to trailer.7Pin to 5Pin Adapter 5pin trailer wiring is similar to 4pin 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 7WAY RV BLADE vehicle outlet to a 5WAY FLAT connector used on light trailers. You can use this for everything from your wiring harnesses on your towing vehicles or boat trailers.