Tuneable Diaphragm & Rim Assembly Black: Classic 2 Black 3M36556

These assemblies allow for easy replacement of tunable diaphragm and rim on appropriate Littmann stethoscopes. The patented tunable diaphragm conveniently alternates between the low and high frequency sounds without the need to turn over the chestpiece. Tunable Diaphragm and Rim Assembly for Littmann® Cardiology III (large side), Cardiology II S.E., Master Classic II, Classic II S.E. and Select Stethoscopes – Black rim