McKesson Capillary Blood Collection Tube, 40 µL, 75-millimeter Length 554 Package:Each Made of comfortable 100% cotton

Made of comfortable 100% cotton

Ceramides: Help maintain the skin's natural barrier

Highly absorbent nonstick pad

rust proof zipper with extra-long polls for easy gripping

McKesson Capillary Blood Collection Tube, 40 µL, 75-millimeter Length 554 Package:Each Made of comfortable 100% cottonFeatures & Benefits These 40 L micro hematocrit capillary tubes are plastic and untreated: They are for use in conventional 75 mm hematocrit centrifuges. The plastic micro hematocrit capillary tubes help to eliminate the risk of injury and contamination associated with glass tubes. These nonsterile, translucent capillary blood collection tubes have blue tips and are 75 millimeters in length.