Stethoscope Tz-01

Aluminum chest piece Head diameter:47mm PVC tube TZ-01 stethoscope is used for the examination of sound changing of man’s heart ,lung and so on. The transmission is clear.Using copper tube of no apearture,connecting with high grade steel slice of spring, and plastic earplug is comfortable.All the metal parts disposed with gild,mickel and chromium. Handly type and trig examination