The 121 Clinical Lite™ stethoscope is a classic dual head stethoscope enhanced by light weight anodized aluminum construction. A fiberglass diaphragm is utilized to optimally detect S1 and S2 heart sounds as well as Korotkoff sounds, while the bell side is optimally designed for assessing S3 and S4 heart sounds. The Clinical Lite™ 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. Includes two sizes of soft eartips and replacement diaphragm. Stethoscope comes with ID tag in package. The approximate overall length 31″. Weighs approximately 3.9 oz. Lifetime warranty with free lifetime replacement parts.