3M Littmann Stethoscope Binaurals for Classic II S.E Pediatric and Infant, Black Tube, 28 inch offers the high quality that medical professionals expect and each replacement part and accessory meets the same demanding standards. Conveniently packaged in kits that correspond to the stethoscope models. | Uses: Replacement parts and accessories make repairs simple | Salient Features: Binaural assembly allows for cost effective replacement of worn assemblies 3M Service Center provides prompt, accurate and efficient repairs and service Refurbished stethoscopes carry a two year warranty, except for the Lightweight and Select models which come with a 90 day warranty 28 inch (71,1cm) Binaural Assembly for Littmann Classic II S.E., Classic II and Classic II-Pediatric and Infant, Select and Lightweight II S.E. Stethoscopes | Directions For Use: Read the user manual carefully | Safety Information: Read the label carefully before use Keep out of the reach of children