Add a pair of these amber and red lamps on top of your existing guide-ons and see your trailer’s position clearly as you back. Also serves as an added safety light to improve the visibility of your trailer on the road. Amber light faces front, red light faces rear. Designed to fit inside the top of 2” poly pipe guide-ons (2” inside diameter). Kit includes two lamps each with 8 feet of wire, all necessary electrical connectors, and post locking bolts.