This is a weldless BrewMometer that comes with all necessary hardware for installation.The BrewMometer is unlike any other thermometer on the market. Not only does it read the temperature - it also has suggested "ranges" for the following:Lager Fermentation TemperatureAle Fermentation TemperatureDough-InProtein RestStarch ConversionSteepingMash-Out/SpargeBoilHas a 3" face. Probe length 2". 1/4" MPT on back of thermometer. Note - This thermometer only reads Fahrenheit.