ADC Proscope 670 Dual Head Stethoscope, 32.25" Length, Black

The proscope dual head combines lightweight construction with truly affordable pricing. the proscope 670 features combination diaphragm/bell chest piece for wide frequency response lightweight aluminum chest piece construction non-chill bell and diaphragm rim for patient comfort diaphragm diameter 1-3/4", bell diameter 3/4" proprietary diaphragm enhances acoustic response by 50 over traditional designs adjustable aluminum binaurals with pvc ear tips flexible 21" pvc tubing is made without phthalates spare pair of black mushroom ear tips included inspected and packaged in the u.s.a. weighs 3 oz. (85.6g) overall length 32.25" (81cm) one year warranty.