This self-taking kit was designed for easy, one-hand operation. The D-ring pressure cuff assists the user with correct placement. There is a professional-quality stethoscope attached directly to the pressure cuff and features no-stop pin 300 mm Hg aneroid gauge with an easy-to-read scale. The latex inflation bulb with pressure release valve allows manual inflation and controlled deflation of the cuff. The Omron Self-Taking Manual Blood Pressure Kit comes with a vinyl carrying case, instructions, and a blood pressure recording chart. Cuff fits arm size 9 to 13 inch.