The most versatile stethoscope; 5 in 1. This new and improved model is designed to detect every chest and heart asculitation, from infants to adults. Rotatable head helps block out extraneous room noises. Comes complete with 2 diaphragm sizes and 3 bell sizes that change easily to meet every diagnostic situation. Included is a vinyl case for storage of bells and diaphragms, also comes with two sets of ear tips (one soft, one firm).