Prepare your semi truck to be Ready for the Road Ahead , with the Truck-Lite 2.01" 30 Series Round 2-LED Marker / Clearance Light that supplies reliable safety lighting. By providing high visibility in all types of environments, this replacement light enhances overall vehicle safety. Engineered with a durable polycarbonate lens for improved protection against high temperatures and impacts. FleetPride is your First Click in Heavy Duty .