Outfit your semi truck to be Ready for the Road Ahead with clear and effective light patterns, with the Truck-Lite 1" x 2" Rectangular 3-Incandescent Identification Bar. Due to its ability to mount on the roof or side of a vehicle, this replacement light is the ideal solution to warn other vehicles or pedestrians of stops and emergencies. Engineered with an easy-to-install stainless-steel bar to fit into limited mounting areas. FleetPride is your First Click in Heavy Duty .