Bestomz thermometers are made of stainless steel with a protective glass. There are no plastic parts that can melt. It is very easy to install. All you need to do is insert the rod into the hole in the lid of your grill / smoker / barbecue and then add the nut which is included in the price. If your barbecue lid does not have a hole, you can simply drill a 6.35mm hole and attach the barbecue thermometer as shown above. This thermometer measures cooking temperatures ranging from 60 to 430 C / 100 to 800 F. Featuring a large dial, it is classic and elegant and a great gift idea for those who love to cook or grill. DESCRIPTION: The barbecue thermometer is waterproof and smoke resistant. It is made of stainless steel and very easy to install. Just insert the rod into the grill / smoker / barbecue cover and add the nut. And if your barbecue lid doesn't have a hole, you can just drill a 6.35mm hole and attach the barbecue thermometer as shown above. Features: Color: mostly black. Material: stainless steel. Dimensions: 7.6 x 3.95 cm (L x W). It is very easy to install. All you need to do is insert the rod into the hole in the lid of your grill / smoker / barbecue and then add the nut which is included in the price. If your barbecue lid does not have a hole, you can simply drill a 6.35mm hole and attach the barbecue thermometer as shown above. This thermometer measures cooking temperatures ranging from 60 to 430 C / 100 to 800 F. Scope of delivery: 1 stainless steel 7.6 cm oval thermometer for barbecue and smoker.