Safe T Fill® Capillary Blood Collection Tube, 2.1 x 113 mm, 150 µL, 1 Case of 500 Teaching Aids Conductive type meets National Fire 151146 Conductive type meets National Fire Protection Association specifications for use with flammable agents Cuff size: Adult * Cuff Range: 23 40cm * A versatile palm style aneroid sphygmomanometer boasting precision crafted performance and rugged durability * Revolutionary palm style manometer with integral bulb NOT made with natural rubber latex and trigger style air release valve for one hand convenience * Precision crafted 300mmHg Japanese engineered movement tested to 50 000 cycles * Movement housed in a zinc cage that suspends within the polymer housing for enhanced shock resistance * Ambidextrous infinite control trigger release air valve * Adcuff nylon cuff with ADC The complete end to end fill of the capillary straw accurately measures the stated fill volume and a microtube