These sturdy pocket test thermometers offer accuracy and dependability found in more expensive thermometers. The Bramec thermometer provides precise readings in gases, solids and liquids - air conditioning ducts, furnace ducts, frozen food cases and coolers. Each thermometer includes a protective clip-sheath which fastens securely to a pocket. Adjustable-hex-nut adjustment permits zero reset in seconds. 1" dial, -40° - +160°F.