The Truck-Lite Company Inc Marker Clearance Light is the perfect choice for trailer and body applications. This light features a unique plug-in design for ease of installation and must be mounted horizontally. The low-profile and extra-strength base make this light a reliable and durable choice. With its bright and clear illumination, this light is sure to keep you safe and visible on the road. FleetPride is your First Click in Heavy Duty®.