The EMI Professional Series Deluxe Dual Head Clinical Stethoscope (ESC-104) is designed for maximum quality and value. Features a stainless steel chestpiece, stainless steel dual inner-spring binaural with thick wall tubing, and comfortable design to suit ear structure. The stethoscope includes matching non-chill ring and diaphragm retaining ring. Spare set of threaded, soft eartips and diaphragm. Quality, durability, and value all wrapped into one stethoscope. This stethoscope also features the manufacturer's limited lifetime warranty.