Model: BT275R SKU: 26100856AFEAAAA 2″ Dial 8″ Stem x .150″ Diam. 0/220 Degrees F Temp. Range Back Connected 304SS External Parts Friction Nut for Calibration NSF Certified Oven Safe Glass Lens Made in USA NIST Traceable Calibration Certificate available, order separately  Click here for lead times.