It is stainless steel and very to install, as you just insert the stem through the hole on your pit/ smoker/grill and then attach the nut, which is included. 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 800 degrees Fahrenheit in cooking temperature. Brand: KITPIPI Assembled Product Weight: 1.52 oz Manufacturer: Wodwad Assembled Product Dimensions (L x W x H): 0.26 x 0.18 x 0.18 Feet