The Benchmark Scientific Prefilled 2.0mL tubes feature Zirconium Beads with a 1.5mm Diameter, ideal for high-impact applications. This pack contains 50 tubes, providing ample supply for your laboratory needs. The tubes are designed for triple-pure applications, ensuring reliable and consistent results. With the prefill feature, these tubes offer convenient usability, saving time and effort in the lab. The Zirconium Beads contribute to efficient sample homogenization, making this product suitable for a variety of homogenization protocols. Trust Benchmark Scientific for quality laboratory equipment that meets your high standards for performance and precision.