Concord 3" Full 304 Stainless Steel Thermometer for BrewingSet Includes:3" 304 Stainless Steel Thermometer Description:3" Glass face3" Stainless steel stem-20-120° Celsius / 0-250° Fahrenheit temp range1/2" NPT for simple installation on brewing kettleEasy calibration adjustment dial on backLarge dial face makes reading temperature settings easierCan be threaded onto 1/2" FPT fitting.Note: Please use Teflon tape to ensure a tight seal without any leaks.