Teaching Sprague-Rappaport Stethoscope S122-T - There is no better way to learn to use the most widely used stethoscope than with a Teaching Sprague. By incorporating a standard Sprague-Rappaport chestpiece attached to two separate tube and binaural sets, the Teaching Sprague enables instructors to teach students the finer points of auscultation. Accessories Included: Soft PVC eartips, adult and pediatric diaphragms, pediatric disc and diaphragm assembly, pediatric and infant bells Overall Length: Appx. 31.5* Weight: Appx. 8.3 oz* Warranty: Lifetime with Free Lifetime Replacement Parts Ideal For: Nursing Instructors, Students - Due to the handmade craftsmanship and material attributes, actual specifications may vary.