Littmann® Classic II Stethoscopes. Stainless steel chesspiece. Patented floating diaphragm design assures high acoustic sensitivity and consistent frequency responses. Eliminates diaphragm stress from a too-tightly threaded rim. Large bell for low frequency sensitivity. Non chill rim on both diaphragm and bell. Soft-sealing ear tips for an excellent acoustical seal and maximum comfort. Reinforced yoke. 28" long. 3-Year Warranty. Available in Caribbean blue black navy or burgundy Special Price!