Benchmark Scientific R20201520 Test Tube Holder, 11 x 1.5/2.0 ml, 2 per Pack. The Benchmark Scientific tube holder accommodates 11 tubes with sizes of 1.5/2.0 ml each. The pack includes 2 holders, providing a convenient storage solution for your laboratory tubes. This tube holder is designed to securely hold the tubes in place, preventing any spills or mishaps during experiments or storage. The compact size of the holder ensures it can fit easily on a benchtop or inside a refrigerator or incubator. Organize your tubes efficiently and keep your workspace tidy with the Benchmark Scientific tube holder. Ideal for research labs, clinics, or academic institutions, this holder offers a practical solution for managing multiple tubes simultaneously.