The most widely used stethoscope in the healthcare industry. Five stethoscopes-in-one design. Comes with a full accessory pouch with interchangeable parts to customize to the user’s needs. Features dual 22” PVC tubing for clear sound transmission and threaded soft eartips. The rugged chrome plated zinc alloy chestpiece and chrome plated brass binaurals are built to withstand the most demanding of working environments. Lifetime Limited Warranty.