3M LITTMANN MASTER CLASSIC II STETHOSCOPE

27 inch (69cm) black plated chestpiece and eartubes - Master Classic II Stethoscope

Featuring a patented tunable diaphragm that alternates between low and high frequency sounds with a simple pressure change on the chestpiece.

Also features hand-polished alloy chestpiece; high performance single-lumen tubing;

patented 3M™ Littmann® Snap Tight soft-sealing eartips;

comfortably angled anatomically correct headset and patient-friendly,

nonchill rim and diaphragm.