Littmann Lightweight Stethoscope (Black Tubing)The 3M Littmann Lightweight II S. E. Stethoscope provides reliable acoustic performance for taking blood pressure readings and making limited physical assessments of adult patients. Weighing just 118 grams, it's the lightest of all Littmann adult stethoscopes, making it more comfortable for caregivers who wear their stethoscopes all day long. The Lightweight II S. E. stethoscope is an entry level instrument that offers a surprising number of beyond