Machined stainless steel chestpiece Single-piece tunable diaphragm on adult and pediatric sides of chestpiece Adult side of the diaphragm measures 1.7" Pediatric side of the diaphragm measures 1.3" Hear low frequency sounds with light pressure and high frequency sounds with firm pressure Diagnose and make decisions with confidence Hear subtle changes in patient status Replace single-piece diaphragm with a non-chill rim to convert the pediatric side to open bell LATEX-FREE dual-lumen tubing Aluminum headset Soft-sealing eartips with extra pair included Total stethoscope length: 27" Total weight: 5.9 oz Great in critical care and challenging environments like ED, ICU, Cardiac and step-down units 7 Year Warranty