TRUSTED by Doctors, Nurses, Students, Home Health, Medical Providers since 1971 | Backed by our Full Lifetime Warranty & Free-Parts-For-Life Program | Latex-Free MD ONE line is known for performance, durability and aesthetics. Constructed from acoustically-superior stainless steel. Makes a great gift with over 20 color variations to choose from. CHESTPIECE: dual head stethoscope for adult diagnostics that delivers accurate transmission of heart, lung, and stomach (gastrointestinal, bowel, etc.) sounds, and blood pressure flow (Korotkoff) sounds with acoustic integrity and clarity in doctor, nurse, student, etc. clinical settings or home settings. TRUE BELL & TRUE DIAPHRAGM: designed with a turnable, fully rotating stem for diaphragm and bell side to capture high or low frequency sounds as needed. PATENTS to maximize sound performance, durability and comfort for extended use, including our ErgonoMax Headset with dual-leaf spring construction, patented Acoustic Pyramid Chamber and patented SafetyLock Eartip adaptors that are non-invasive and lead the industry in user safety. TUBING that is flexible and thicker for better sound transmission, longer for your comfort and latex free. INCLUDES: 3 pairs of ComfortSeal soft silicone eartips in sizes small, medium and large, extra diaphragm and ID tag. UPC 785923315133 ASIN B000RKYO7S Color Silver - Black Material Stainless Steel Brand Name MDF Instruments Model Name MD One Unit Count 1.0 Count Is Electric No Item Weight 0.44 Pounds Manufacturer MDF Instruments USA Exterior Finish Stainless Steel Item Dimensions L x W 32.8 L x 16.3 W Recommended Uses For Product adult diagnostics, listening to heart/lung/stomach sounds, detecting abnormal body noises, general medical use Global Trade Identification Number 06940211619933