Outstanding quality and versatility come together in convenient all-in-one, professional kits. prokits are ideal for nurses, students and emts. aneroid gauge: standard air release valve and bulb and coordinating calibrated nylon adult cuff. aluminum dual head stethoscope: non-chill diaphragm retaining and bell ring. aluminum dual head chestpiece. tube length: 22 inch; total length: 30 inch. includes: black gauge with white faceplate, standard air release valve and inflation bulb, 2-tube bladder, black calibrated nylon cuff, dual head stethoscope, one spare set of eartips and zippered attaché case.