Our finest pocket aneroid with an oversized color-matched carry case, the 778 is the instrument of choice for the discriminating professional. The 778 series features: Chrome-plated precision crafted 300mmHg manometer Luminescent dial features bold numerals and extended graduation marks for easy reading in all light conditions and from virtually any angle Adcuff™ nylon cuff with ADC’s proprietary Size Guide™ marking system prevents mis-cuffing Adflow™ filter screen check and deflation valves reduce dust build-up Adflow™ chrome-plated brass air release valve with micro-threads for precision deflation control Extra large, color-matched dual pocket carry case Assembled, inspected, and packaged in the U.S.A from foreign components Meets or exceeds ANSI/AAMI/ISO 81060-1