"ReliaMed dual-head stethoscope, black. Features high-density zinc alloy diaphragm and bell chestpiece with a nonchill ring for patient comfort. Aluminum binaural is adjustable with pure white ABS eartips. One-piece molded thick wall Y-tubing. Features: High-Density Zinc Alloy Diaphragm & Bell Chestpiece; Nonchill Ring; Aluminum Binaural; White ABS Eartips; Thick Wall Y-tubing; Length: 22""."