3" BBQ Pit Smoker Grill Thermometer Temperature Gauge Bi-metal 1/2 NPT Stem This High Quality 3 color 3" diameter Temperature Gauge measures temperature in both Fahrenheit (F) & Celsius (C) units. It measures a wide range of temperature from 50 to 550 F and 0 to 300 C. Rugged all 304 Stainless Steel construction. HD glass lens. 2.5" stem. It is suitable for Barbecue (BBQ), Smoker Pit & Large Grill. Reset screw (Re-calibration adjustment screw). It comes with a  NPT Fixing Nut. Shipping to USA is 3-6 business days. For more information please go to our website Thermomart