TOP QUALITY MATERIALS: The trailer wiring harness kit is made of 18 AWG pure copper wire, the exterior is made of thickened PVC wire coating material to your safety, and the outermost layer is reinforced with black braided nylon mesh tubing. Prolonging service life and resisting adverse weather conditions effectively. 4 PIN 5 WIRE TRAILER WIRING HARNESS: trailer wiring harness kit has 5 wires to the hassle of extra wiring, providing enough wire to connect all the necessary points without the need for extensions or complicated splices. SUITABLE SIZE: Trailer light wire features 30ft male 4 flat wire and 2.5ft ground wiring provides enough length for flexible installation and trailer rewiring,simplifies installation process. You get 1 Y-Harness Connector + 6 pcs Trailer Frame Wire Clips+ 6 pcs Solder Seal Wire Connectors + 6 pcs plastic wire connectors. EASY TO USE: 4 pin 5 wire trailer wiring harness features color-coded wiring makes installation easy and used to connect left & right side taillights, brake lights and turn signals for rewiring your trailer. MULTIPLE FUNCTIONS: 18 AWG Color Coded Wires connector used for various trailers, provides a male plug for your trailer ideals for marine boat trailer, ATV trailer or other cargo utility trailer hitches,Please Note that trailers/tow trucks must have a 4-way plug,not compatible with motorcycle trailer wiring. Color: As Shown Material: plastic Package Contents: 1 set x Trailer Wiring Harness Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.