Ideal for New Doctors and Medical Students | AME CLASSIC Professional Stethoscope with Rugged Durability and High Acoustic Response Product Features - Superior acoustic response and rugged durability. - The chestpiece is precisely machined to exacting tolerance from surgical stainless steel for outstanding performance. - The unit comes in a foam lined box with two extra sets of soft sealing eartips and one diaphragm. - Overall length 770 mm