The standard of the industry features 3M's patented tunable diaphragm for improved low-frequency response and the ability to hear both low and high-frequency sounds without turning over the chestpiece. Along with its high acoustic sensitivity, the 3M™ Littmann™ Classic II SE. Stethoscope features a nonchill rim, durable, single-lumen tubing and solid stainless steel combination chestpiece. Benefits: There's no other stethoscope in its class that offers the quality and performance of the 3M™ Littmann™ Classic II SE stethoscope. Using the patented tunable diaphragm offers an increase in sound intensity when listening to low-frequency sounds due to the greater surface area of the chestpiece. A nonchill rim on both the diaphragm and the bell means comfort for your patient. Comes with patented 3M™ Littmann™ Snap-tight Soft-sealing Eartips designed to assure an excellent acoustical seal in the ear canal along with maximum comfort. The tubing allows you to fold the scope easily without worry of kinking or breaking and comes in a variety of colors. Three-year manufacturer's warranty. Length: 28 in. (71.1 cm) Chestpiece: Stainless Steel, 70 grams, 1 5/16 in. bell