Product Details: The Truck-Lite 2-Bolt Terminal Steel Turn Signal Switch is designed to provide reliable performance in the most demanding environments. This switch is made from high-grade steel and features two bolt terminals for easy installation. The internal snap action spring ensures accurate opening and closing at both low and high pressure, making it perfect for use with heavy duty truck air brake systems. It is also great for anti-lock applications. With its durable construction and reliable performance, this switch is sure to provide you with reliable service. FleetPride is your First Click in Heavy Duty®.