Usage Tips:Stretchable Length Retractable 7 pin trailer adapter wiring cable and can abprallen back to normal length. Extension Adapter7 way flat trailer adapter trailer adapter and extension cable 2 in 1, eliminates your need for multiple plug and adapters any popular vehicle wiring system to your trailer. Coiled Design Provide increased durability and the additional length that may be necessary to reach between the tow vehicle's socket and the trailer/towed vehicle's plug. Plug and PlayEasy installation, no splicing wire. Plug and play instantly switch 7 prong trailer plug to flat connector. Built to Last Extension cable is made of rubber material, which is flexible, easy to stretch, effortless, quick to abprallen and not easily deformed. Specification: Material: Rubber Package Includes: 1Trailer Extension Cord Note: Please allow slightly errors 1-2cm differences due to manual measurement.