Classic Teaching stetho, it allows simultaneously ascultation by 2 people.High quality stethoscope with stainless steel chestpiece, stainless steel double inner spring binaural and durable, elegantly moulded PVC tubing for unsurpassed acoustic performance. The colour coordinated flexible “Y” tubing, nonchill ring and diaphragm retaining ring provide excellent patient comfort, while adding attractiveness.It comes in a foam lined box with 2 extra sets of soft eartips.Chestpiece diameter 45 mm