Larson Electronics C-16-TP4-Round C-16-Tp4 4 Prong Trailer Plug with 16' Cord Terminated with 2 Pin Sae Connector (Round) C-16-tp4 4 prong trailer Plug with 16 foot cord terminated with 2 pin sae connector(-round) 16 foot cord with 4 prong trailer prong the cord is terminated with a 2 pin sae connector that can be attached to any larson electronics magnetic light Manufactured in United States