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
If your grill, smoker or pit does not have a hole, you can just simply drill a 1/4 " hole and attach the BBQ Pit thermometer as previously described
This thermometer ranges from 50-400 Celsius/100-750 Fahrenheit in cooking temperature
You will not be disappointed with this item, so please BUY with confidence. Please feel free to ask any questions concerning this item