ALL-PURPOSE LIGHTWEIGHT diagnostic stethoscope that delivers accurate auscultation of heart, lung, and stomach (gastrointestinal, bowel, etc.), blood pressure flow (Korotkoff) sounds with acoustic integrity and clarityDUAL HEAD CHESTPIECE designed with a turnable, fully rotating stem and a true bell and true diaphragm to capture high or low frequency sounds as neededHandcrafted from premium aluminum to deliver the ultimate value in auditory diagnostics with unmatched performance and durability in its lightweight class