Check the listing for details. 7 ROUND to 4 PIN TRAILER LIGHT ADAPTER. Condition: New. Listed at 18.95 USD. TRAILERPARTSKINGA Division ofDOWN 2 EARTH TRAILERS This is a Trailer Harness Adapter for 7 Round Style to 4 Pin Look at both photos for correct fitment: We are a complete trailer manufacturing facility and have virtually any part you could ever need on a trailer, just email me. Thank you for your time and interest!!* All items are BRAND NEW unless specified. Once you pay for your item it will be shipped within 1 business days. * If an item is defective, it will be replaced with the same item. * All returned items not exchanged, will be charged a 20% restocking fee PLUS Original Shipping Costs even on items sold as "Free Shipping" All Items that travel from Point A to Point B do have an associated cost. * Items shipped to foreign countries may add additional tariffs, fees, etc..., we do not cover these costs. * GA residents are responsible for sales tax. * Please email or call with any questions you may have and thank you for your time!!!