3m - Littmann Select Stethoscope - Blk Tube 28Tunable Diaphragm Alt Bet Bell Diap

Single-sided listening for both low and high frequencies (bell and diaphragm combined)Reliable and clear acousticsLightweight, durable design with scratch-resistant finish on chestpieceNon-chill chestpiece for patient comfort2-year manufacturer's warrantyBlack