Efficient organization and workflow: The test tube holder rack efficiently organizes and manages sample tubes, helping to streamline experiments and reduce the risk of mixups during handling. Durable plastic construction: Made from plastic materials to provide durability and reliable performance in a variety of experimental settings, from classrooms to labs. Userfriendly design: Designed for easy loading, arrangement, and access to tubes and vials, with a stable, straightforward layout for everyday use. Education tool: A dependable education supply for classrooms and training environments, helping learners understand lab organization and sample handling. Compatibility and versatility: Designed to hold test tubes and vials used in common experiments, and can serve as a practical vial holder. Use scenarios: In classroom science labs to organize tubes during experiments and demonstrations. In research or teaching labs to layout and prepare samples for protocols. In instructional settings to illustrate proper lab organization and workflow. Specifications: Material: Plastic Function: Organizes test tubes and vials Compatibility: Holds test tubes and vials used in basic experiments Performance: Durable, userfriendly, and reliable for regular lab use