PROSCOPE 662, Bowles Stethoscope, 30″L, Black, Wt. 4 oz. Chrome plated zinc diaphragm, (1 5/8″) only chestpiece with traditional raised stem design. Adjustable chrome plated brass binaurals with PVC eartips. Flexible 22″ PVC tubing. Spare pair of black mushroom eartips included. One year warranty. UOM: EA.