ESI EST-67 HVAC/R Twin Laser Infrared High Temperature Thermometer Other Automotive Air Tools INTERNAL ring diameter range of

INTERNAL ring diameter range of 3/8 to 2-inch and EXTERNAL ring diameter range of 1/4 to 2-inch

The knife has a lanyard hole for safe convenient tethering

Use with 1-1/4

Industrial-grade clamps

COAST TWIST FOCUS

ESI EST-67 HVAC/R Twin Laser Infrared High Temperature Thermometer Other Automotive Air Tools INTERNAL ring diameter range ofElectronic Specialities Inc. Twin Laser Guided Infrared Thermometer #EST67 Features Dual infrared and thermocouple thermometer for noncontact or contact temperature measurement in HVAC R systems and manufacturing, electrical, and industrial environments. Twin Laser Pointers for Precise Accuracy and Aiming Lasers converge at optimal measuring distance Continuous Max Hold Feature Continuous Backlit Display Easy to See Readings Fast response time (150