LITTMANN CLASSIC 3 STETHOSCOPE AVILABLE IN CHENNAI If you've been looking for a good stethoscope, the 3M Littmann Classic III is almost impossible to beat. Many doctors, nurses, and patient care technicians use this best all-around stethoscope. This model can be a good option for most healthcare professionals and is a moderately priced yet high quality stethoscope. Colour: Black Brand: 3M Littmann Exterior Finish: Stainless Steel, Copper Item Dimensions LxWxH: 68.6 x 2.5 x 2.5 Centimeters Material: Plastic, Rubber.