Lyman Casting Thermometer 2867793 Stainless steel construction Measures from 200 to 1000 degrees Fahrenheit Six inch stem for use with deep furnaces Helps to maintain bullet consistency Easy read thermometer face Note: This item at first may show obscure readings, but when used properly will recalibrate the gauge to read accurately Meaasures temperature range from 200F to 1000F Stainless steel design 6-Inchstem for deep furnaces