This Formotion Motorsports Dash Thermometer Air Temperature Gauge ℉ is a great addition to your car and perfect for keeping track of the temperature. The analog display provides an easy-to-read measurement of the air temperature in degrees Fahrenheit. The gauge is made of high-quality chrome and steel, giving it a durable and stylish look that will complement any vehicle's interior. The black needle color adds to the gauge's sleek design. This thermometer is suitable for all types of cars and trucks, and it is a must-have for any car enthusiast. Gauge is 1 3/4" OD.