The Truck and Trailer LED 2.5x1in White Marker is a practical and versatile lighting solution for trucks and trailers. Available in white, amber, red, or green, these markers feature a fully illuminated Crystic Optic LED lens system and a 2-hole mount for easy installation. SAE and DOT approved, they fit most truck and trailer makes and models. At 2 1/2 inches long by 1 inch tall, these markers are compact yet highly visible, providing added safety and visibility on the road. Sold as a pair, they are a reliable and durable choice for any truck or trailer.