Features: Super Accurate, Super Stable, Super Value For Use with Temperatures Up to 1150 o C (2100 o F) Excellent Long Term Stability at High Temperature Super OmegaClad Sheathing Provides Excellent High-Temperature Performance Excellent Oxidation, Carburization and Chlorination Resistance Made with materials of Special Limits of Error. Perfect for calibrating MTI tube furnaces using a precision temperature calibrator (matched with a Standard male plug; related product below) Suitable for the MTI's Film Coaters