Tube holder rack designed to fit 10 ml capacity test tubes, ensuring accuracy and precision in experiments and storage of test tubes. Tube rack for laboratory use with ample holes to securely hold test tubes, preventing tipping or mixing while keeping your work area organized. Transparent doublelayer design keeps the experiment process visible, allowing quick inspection and easy monitoring of tubes and samples. Laboratory test tube rack with a clear, professional appearance that enhances the look of any lab or sampling station while maintaining practicality. Helps reduce mess and disorganization in the laboratory by providing a dedicated holder and reliable test tube racks for orderly storage and easy access. Compatibility and performance: specifically sized to accommodate standard 10 ml tubes, offering secure support and stable placement during use. Use scenarios Routine sample preparation and storage: organize and securely hold 10 ml tubes during staining, reactions, or sequential steps to improve accuracy and workflow. Teaching and demonstrations: display and access tubes clearly in classroom or training labs, supporting handson learning and clean demonstrations. Research and QC workflows: keep tubes organized during multistep protocols, enabling quick retrieval and reducing handling errors.