These LINE2design Blood Pressure Cuffs have a Aneroid Sphygmomanometer, guaranteed accuracy with a no needle stop gauge that registers the actual pressure reading. Adjustable Velcro cuff. A metal inflation valve. Unit comes complete with matching carrying case. Unit comes complete with matching carrying case. Perfect accuracy and comfort with a no-needle stop gauge. Guaranteed accuracy and comfort with a no-needle stop gauge. Aneroid gauge, aluminum alloy manometer uses an easy-to-read dial.