• Quality and reliability in one convienient package
• Contains Small (1/2 inch) nonchill bell sleeve, Black
• Contains one tunable diaghragm and rim assembly for the stethoscope chestpiece, Black

3M™ Littmann® Stethoscopes 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 our stethoscope models, Littmann stethoscope

More details here 3M™ Littmann® Stethoscope Spare Parts Kit, Classic II S.E., Gray, 40006