Skillbuilders Roll 24 x 4 Geri Chair Accessories 5 * Threaded stem casters: Autoclavable Up to 325 5 * Threaded stem casters: 3 x 1 Special Edition: Black Binaural Black Tubing Black Chestpiece 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 * Skillbuilders© premium rolls and wedges have an integral waterproof polyurethane coating that is easily maintained * Rolls like wedges are used to foster exercise therapy and general positioning * Roll can be placed under the knee to allow weighted ankle lifts