Estetoscópio Littmann Classic III - Preto3M Littmann Classic III Stethoscope, Black Edition Chestpiece, Black Tube, 27 inch, 5803https://www.amazon.com/3M-Littmann-Stethoscope-Chestpiece-5803/dp/B00QESFO80/ref=redir_mobile_desktop/156-4306761-0486161?ie=UTF8&dpID=31nA-SHWxUL&dpPl=1&keywords=stetoscopio%20littman%20classic%20iii&pi=SY200_QL40&qid=1469889100&ref=plSrch&ref_=mp_s_a_1_1&sr=8-1