Shop for Appliances at The Home Depot. Outstanding quality and versatility come together with our Match Mates aneroid sphygmomanometer and 31 in. Sprague rappaport-type stethoscope, the most popular style of stethoscope today. 5 interchangeable chest pieces 3 bells (adult, medium and infant) and 2 diaphragms (small and large). 3 different types of ear tips. Calibrated nylon cuff. Oversized, matching carrying case. Lifetime calibration warranty on gauge.