EGT Type K Temperature Probe | 1-5/8 to 2-1/2-inch Clamp, 1-inch LengthUMA temperature probes provide engine monitoring of various engine components. These probes have a brass construction and various thread sizes to fit into many engine type and aircraft. This EGT Type K temperature probe (EDMO# 2B20) features a 1 5 8 to 2 1 2 inch clamp for use with exhaust gas temperature gauges and is 1 inch in length.