Excyte® Vacuum Tube Venous Blood Collection Tube, 1 Box of 50 Cushions Coccyx Heals dry skin effectively without 149 Heals dry skin effectively without feeling sticky or greasy on skin Black 27 * The ultimate acoustical stethoscope * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Handcrafted sold stainless steel chestpiece * 2 in 1 tube design eliminates tube rubbing noise * Portable convenience of a single sided chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft sealing eartips * Comfortably angled anatomically correct headset * Patient friendly nonchill rim and diaphragm Allows for direct draw which eliminates the need for sample transfers Conventional butyl rubber stoppers are black