JUSTLANG Professional Dual Head Stethoscope Multifunctional Doctor Medical Device Cardiology Stethoscope Vet Medical Instrument
Features:
Top acoustics: with classic black color, this stethoscope is equipped with high-quality medical PVC tube, zinc alloy Chest Piece and high sensitivity fiber membrane with good auscultation effect, and even polyester earplug with good outside noise reduction. It also comes with two sizes of stethoscope bells to help you handle a variety of different stethoscope requirements. It can be widely applied for cardiovascular and respiratory auscultation in hospital, clinic, school, or home.

Specification:
Material: Aluminiun alloy hanger, zinc alloy chest piece, Medical PVC Tube.
Size: Total Lenth:75-80cm , Tube Lenth: 55-58cm, Tube Diameter: 10mm,
Chest Piece Diameter: 46mm and 30mm(1.8inch and 1.2 inch). 
Weight: Net weight: Approx. 190g, gross weight: Approx.290g 
Package Include:
Stethoscope x1
Spare earplugs x 2
Extra Menbranes x2