The McKesson Capillary Blood Collection Tube is a compact and reliable tool designed for collecting and preserving blood samples. Measuring 0.8 x 1.5 x 75 mm, this tube is easy to handle and made of durable plastic for enhanced strength. Its non-sterile construction is suitable for non-sterile environments, while the ammonium heparin additive effectively prevents blood clotting. The clear tube allows for effortless visual inspection, and the secure green cap ensures contamination prevention. Ideal for micro-hematocrit determination, this tube is also suitable for collecting small blood samples for various tests such as hemoglobin determination, blood glucose levels, and hematology. Its compact size, exceptional performance, and affordability make the McKesson Capillary Blood Collection Tube a preferred choice among medical professionals and laboratory technicians.