This is an economical Sprague-Rappaport Stethoscope that has dual 75cm PVC Tubing for clear sound transmission. Moreover it features, soft PVC eartips, adult and pediatric diaphragms, pediatric disc and diaphragm assembly that are built to withstand the most demanding of working environments. These are ideal for General Practitioners, Nurses, Nursing Students, Medical Students, ER, EMTs.