Equip your semi truck to be Ready for the Road Ahead , with the Truck-Lite 2.54" Round 1-Incandescent Marker / Clearance Light, a crucial component for reliable safety lighting. Thanks to its strong output, this replacement light enhances vehicle safety in all types of conditions by providing high visibility. Created with a durable polycarbonate lens for advanced protection against impacts and high temperatures. FleetPride is your First Click in Heavy Duty .