The Truck-Lite 7.38" Square 2-Incandescent Rear Turn Signal Light is designed to provide superior visibility and performance in a variety of applications. It is made of high-quality acrylic with black enameled steel housing for superior durability and longevity. The positive seal prevents leaking and cracked lenses. Also, the double optic acrylic lens with a streamlined rimless design ensures maximum visibility. This signal light is perfect for a variety of applications, from commercial vehicles to recreational vehicles. FleetPride is your First Click in Heavy Duty®.