The Signature Cardiology Stethoscope features a dual inner-spring stainless steel binaural and deep cone-shaped stainless steel bell for excellent acoustical sensitivity. The diaphragm retaining ring ensures proper diaphragm fit for optimum sound transmission. The Signature Cardiology Stethoscope is packaged in an attractive four-color, foamlined box, with two extra sets of flexible eartips in two sizes. Overall stethoscope length is 25”. Lifetime limited warranty.