This pack of 2 inserts, designed by Benchmark Scientific, is compatible with 14 x 5/7ml tubes. The high-quality construction ensures a secure fit for your samples during centrifugation processes, reducing the risk of spills or contamination. These inserts provide a convenient solution for organizing and protecting your samples within the centrifuge. Ideal for laboratories and research facilities, these inserts offer efficiency and reliability when working with 5ml and 7ml tubes. Upgrade your laboratory equipment with these inserts to streamline your workflow and maintain the integrity of your samples throughout various applications. Trust Benchmark Scientific's expertise in crafting precision tools for the modern laboratory environment.