3" Bar.B.Q.S Smoke Grill Thermometer Gauge Temp This particular Thermometer has a 4.7CM H 7.4 CM W with a 4.4 CM stem. 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 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 38-430/100-800H Fahrenhe it 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.