Pocket style Adult aneroid Sphygmomanometer with Stethoscope, black cuff and matching storage case. Manometer exceeds industry standards for accuracy. Nylon cuff helps prevent miscuffing. Specifications : Special Aluminium alloy manometer, Classic nylon cuff, 2-tube adult size PVC bladder, Standard PVC bulb, Large Air-release valve with spring,Taper end valve, Vinyl zipper bag.