The single point heated CEM probe is available with a 1/4 to 3/8 stainless steel heated liner with a 1 inch O. D. protective stainless steel sheath and type K thermocouple. The probe comes in various lengths and can handle temperature up to 400 degree F (1200 Degree F with optical high temperature heater). 120 V and 220 V available. Add HT to end of part number for high temperature option.