PRODUCT DESCRIPTION Primacare sprague style stethoscope is designed to detect the entire range of heart and chest ausc tion. Featuring a proprietary valve mechanism that eliminates acoustic leakage, a threaded, chrome plated, zinc chestpiece drum that permits the use of five interchangeable chestpiece fittings, adjustable chrome plated brass binaurals and a heavy walled double tubing configuration that blocks out extraneous sounds. Packed in a deluxe for color gift box. MANUFACTURER INFORMATION