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, 3M™ Littmann® Stethoscope Spare Parts Kit for all Littmann stethoscope contains two pair (1 large, 1 small), black Snap Tight Soft-Sealing Eartips.