Classic dual head stethoscope made from anodized aluminum for extreme lightweight | Fiberglass diaphragm side detects S1 and S2 heart sounds as well as Korotkoff sounds | Bell side is optimally designed for assessing S3 and S4 heart sounds | Snap-on diaphragm retaining ring and a non-chill bell ring which contributes to the ease of use and maintenance while enhancing patient comfort | Materials: Satin-finished anodized aluminum chestpiece, Chrome-plated brass binaurals, Extra thick-walled PVC tubing, Soft silicone eartips | Accessories Included: Two sizes of soft eartips, replacement diaphragm, ID Tag | Warranty: Lifetime with Free Lifetime Replacement Parts | Two-Piece Box Packaging Prestige Medical Clinical Lite Stethoscope, Royal Prestige Medical Clinical Lite Stethoscope, Royal