Prestige Clinical Lite StethoscopePrestige Clinical Lite Stethoscope Classic dual head stethoscope made from anodized aluminum for extreme lightweight. Fiberglass diaphragm side is utilized to optimally detect S1 and S2 heart sounds as well as Korotkoff sounds Bell side is optimally designed for assessing S3 and S4 heart sounds Incorporates a snap on diaphragm retaining ring and a non chill bell ring which contributes to the ease of use and maintenance, while enhancing patient comfort