These 1.5ml microcentrifuge tubes are engineered for precision sample handling in molecular biology, genomics, and clinical laboratory work. Constructed from durable polypropylene, they withstand high-speed centrifugation and temperature fluctuations without compromising sample integrity. The graduated volume markings enable accurate liquid measurement, while secure screw caps prevent leakage during processing and storage. Each tube features a graduated design for easy identification and tracking. This 500-count package provides a dependable supply for routine assays, DNA/RNA extraction, protein analysis, and diagnostic testing where reliable microcentrifuge performance is critical.