3M Littmann Master Cardiology Stethoscope, BLACK, 2160

\”Tunable diaphragm allows the user to conveniently alternate between the low- and high-frequency sounds without turning over the chestpiece.Handcrafted solid stainless steel chestpiece.Dual-lumen design eliminates tube noise artifact from two tubes rubbing together.Portable convenience of a single-sided chestpiece.Excellent acoustic seal and comfortable fit with patented 3Mâ„¢ Littmann® Snap Tight Soft-Sealing Eartips.Comfortably angled, anatomically correct headset.Patient-friendly, nonchill rim and diaphragm. Special procedures adaptor for difficult site or pediatric auscultation.Available in a selection of classic tube colors.Seven-year warranty.27 inch (68,58cm) Master Cardiologyâ„¢ Stethoscope\”