100% brand new and high-quality materials, durable and long-lasting. Test tube rack, is the most basic chemistry experiment instrument. Easy to carry and move. Very suitable for educational purposes in schools. The tubes can be placed in a test tube rack, an experiment to observe the phenomenon. It can also be used as containers for the pen, and used for placing cutlery spoon. Specifications: Item Type: 6 Holes Test Tube Rack, Material: Plastic, Color: Transparent, Size: 16.7x8x5.3cm, Hole Diameter: 1.5cm. Package Content: 1 x Test Tube Rack