This W.A Baum stethoscope features a precision-machined stainless steel dual-head chestpiece, valve stem and binaural. A dual binaural spring is incorporated inside the tubing to reduce bulk and weight. Non-chill rings are fitted to the diaphragm and the bell receivers for added patient comfort. Soft eartips ensure a comfortable, correct fit. Single lumen non-latex tubing. Extra eartips and a replacement diaphragm included.