It is stainless steel and very easy to install, as you just insert the stem through the hole on your pit/ smoker/grill and then attach the nut, which is included.
OOTDTY  

Accurately measures temperature inside barbecue grill
There is a threaded section on the back of the thermometer(44mm long that takes a 32mm wing nut (included).
This thermometer ranges from 100 degrees to degrees in cooking temperature.
Thermometer Face Diameter: 60mm
Total length:80mm
Quantity：1 Pc
Note:

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