3M Littmann Master Classic II Stethoscope, 27in, Black Edition

Lightweight, portable high-performance stethoscope is ideal for physical assessment and diagnosis Improved acoustics with ergaonomically designed, finger-contoured, single-sided chestpiece made of plated and polished alloy. Tunable diaphragm is easy to switch from high- to low-frequency sounds simply by applying light or firm pressure to the chestpiece, without interruption. Features single lumen tubing and soft-sealing eartips. Manufacturers 3-year limited warranty. Black-plated chest piece and eartips