The Truck-Lite Company Inc Marker Clearance Light is the perfect choice for providing visibility and safety lighting. The lens is designed specifically for cab marker use and is sonically sealed to the housing for maximum durability. The high-impact polycarbonate construction ensures that the light will stand up to the toughest conditions. The grommet mount eliminates the need for hardware, making installation a breeze. The high-grade incandescent bulb provides bright, reliable illumination. FleetPride is your First Click in Heavy Duty®.