Product DetailsApplication Binaural Stethoscope Bell Size 1-3/8 Inch Extra Large Bell Binaurals Material Stainless Steel with Double Leaf Internal Spring Chestpiece Material Surgical Stainless Steel Color Black Diaphragm Diameter 1-7/8 Inch Ear Pieces Type 1-Pair Small and 1-Pair Large Adsoft? Deluxe PVC Eartips Head Type Dual Head Number of Tubes 1-Tube Patient Type Adult Tube Length 22 Inch Tube Type Single Lumen Latex Free Indicator Latex-Free FeaturesADSCOPE 603 Adult Scope Black Combination chestpiece precisely machined from surgical stainless steel. Non-chill bell ring and diaphragm retaining rim. Stainless steel binaurals fixed at the anatomically correct angle. Adsoft PVC eartips. Spare diaphragm. Scope I.D. tag included. Weighs 4-1/2 oz. Overall Length 28 inches. Lifetime warranty on metal parts. Latex-Free Packaged Each ADSCOPE and Adsoft are trademarks of American Diagnostic Corporation.