ADSCOPE 600 Cardiology Scope provides dual-frequency response, single chestpiece. Light pressure for acoustic response of a traditional bell, firm pressure for diaphragm-type, high-frequency response. Surgical stainless steel. Extra-thick tubing stays flexible, minimizing noise, and can't kink. 15º angle. Includes one pair of plastic eartips, and two pairs of soft eartips (Sm. and Lg.). 25"L. 8 oz. Black metal. Lifetime guarantee.