Test tubes rack holder and storage organizer Key benefits Improves workflow by enabling quick insertion and removal of 18 mm test tubes, speeding up experiments and related tasks. Keeps workspaces neat and safe with a smooth, polished surface that is gentle on hands. Versatile across environments including scientific research labs, industrial and mining enterprises, colleges and other laboratories, and beverage service settings. Features and attributes Test tubes rack holder: suitable for use in scientific research, industrial and mining enterprises, colleges and other laboratories; laboratory bottle storage shelf. Thoughtful design: every detail is optimized for practical functionality while maintaining a sleek, modern appearance. Test tube storage organizer: smooth surface and polished finish; neat and generous to minimize risk of hand injury. Easy access: structure supports quick insertion and removal of 18 mm test tubes, enhancing workflow during experiments or beverage service. Specifications and compatibility Compatibility: designed to fit standard 18 mm diameter test tubes. Storage versatility: can function as a lab bottle storage shelf and as a test tube drying rack where applicable. Material: not specified in the description; surface finish is smooth and polished for safe handling. Use scenarios In scientific research laboratories for routine sample handling, preparation, and testing workflows. In teaching or classroom labs for student demonstrations, practice, and instructional experiments. In industrial or mining QC environments for organized sample handling, bottle storage, and related tasks; also suitable for beverage service contexts where test tubes are used. Notes Exact dimensions beyond 18 mm tube compatibility are not provided. Material specifics are not given; focus is on design, usability, and compatibility with standard 18 mm tubes.