About Diamond ST-012 Dual Stethoscopes (Delux)(1) :
Diamond Dual Stethoscope Deluxe (ST012) Features: 1) Dual sided brass chest piece 2) Diaphragm for best auscultation 3) Provided with non-chill retaining ring and bell ring 4) Chrome plated internal spring binaural 5) Superb Acoustic sensitivity 6) Stainl