Discover the precision and reliability of Kimble/Kontes Test Tubes, model KONTES 898000-0005. These high-quality glass test tubes are designed for optimal performance in laboratory settings. Each tube features a flat head ST stopper, ensuring a secure seal to prevent contamination and evaporation. With a durable construction, these test tubes are perfect for a variety of applications, from chemical analysis to biological experiments. Their clear design allows for easy visibility of contents, making them an essential tool for any scientist or researcher. Elevate your lab work with these dependable test tubes!