3M™ Littmann® Master Cardiology™ Black 1-Tube 27 Inch Tube Single Head Chestpiece Cardiology Stethoscope

• Tunable diaphragm allows the user to conveniently alternate between the low- and high-frequency sounds without turning over the chest piece
• The patented tunable diaphragm conveniently alternated between low and high-frequency sounds without the need to turn over the chest piece
• Handcrafted solid stainless steel chest piece for superior acoustics
• Two-in-one tube design eliminates tube rubbing noise
• Excellent acoustic seal and comfortable fit with the soft sealing ear tips
• Overall length 27 Inch