The Benchmark Scientific D1034MX is a pack of 50 prefilled 2.0ml test tubes with 0.1mm Silica, 1.4mm Zirc, 4mm Silica beads. The Benchmark Scientific prefilled 2.0ml tubes come with a potent combination of 0.1mm silica, 1.4mm zirconium, and 4mm silica beads. This pack of 50 ensures you have an ample supply for your laboratory needs. These tubes are designed to facilitate efficient homogenization, grinding, and lysing of samples for various applications. The 0.1mm silica beads aid in delicate homogenization, while the 1.4mm zirconium and 4mm silica beads contribute to robust grinding processes. Whether you are working on biological samples, environmental samples, or other research materials, these prefilled tubes offer convenience and consistency in your sample preparation workflow. Trust Benchmark Scientific for reliable laboratory solutions that enhance your experimental outcomes.