The Signature Cardiology Stethoscope features a dual inner-spring
stainless steel binaural and deep cone-shaped stainless steel bell for excellent acoustical sensitivity. he diaphragm retaining ring ensures proper diaphragm it for optimum sound transmission. he Signature Cardiology Stethoscope is packaged in an attractive four-color, foam-lined box, with two extra sets of lexible ear tips in two sizes. Overall stethoscope length is 25!±.