Stethoscope with double chest piece is switchable from membrane to bell function. The membrane side is suitable for the auscultation of high and low frequency sounds while the bell side is designed for cardiac impulses. High quality precision stethoscopes for excellent acoustics, made in Germany. All stethoscopes are equipped with 56 cm long Y tube, brass chrome-plated binaural and chest-piece (32350, 32358) or aluminium (32344-47), membrane Ø 44 mm, bell Ø 30 mm (32358 only).