it is made of stainless steel, light weight and good quality
it is a classic stethoscope with a two-sided chest piece offers high acoustic sensitivity for superior performance, a traditional bell is combined with a patented tunable diaphragm that conveniently alternates between low and high frequency sounds without the need to turn over the chest piece. other features include a patient-friendly nonchill rim and diaphragm, excellent acoustic seal and comfortable fut with patented snap tight soft-sealing ear tips and a comfortably angled, anatomicaly correct headset.