Mabis Healthcare Pill Crusher, 1 Each Textiles The chest piece has an Select Ear:Left Ear The chest piece has an ovoid shape to enhance performance around body contours The Baum Pocket Aneroid is a 300 mmHg portable instrument * It's built to agree with our master instruments which are traceable to the United States National Institute of Standards and Technology * It complies with ANSI AAMI SP 9 for accuracy and performance (1% full scale + 3 mmHg) * The unique high contrast scale and red pointer increase visibility and reduce parallax error * They are manufactured with a precision low friction movement and twin pre seasoned phosphor bronze diaphragm capsules * Useful for administering pills to those who have difficulty swallowing such as those suffering from dysphagia