The DuraChoice T5D60250 bi-metal thermometer has a 5" dial size, with a 6" center back mounted stem. It features a stainless steel case with calibration dial, with 1/2" NPT connection. Measures 0 to 250 F (-20 to 120 C). Dual scale shows Fahrenheit/Celsius. Calibration dial ensures accuracy. Perfect for tight spaces and OEM applications.