BRAND Test Tube Racks, PP, for 13 mm Diameter, 6x14 Tubes, Blue, are high-quality racks designed for securely holding and organizing test tubes in laboratory environments. BRAND Polypropylene (PP) material ensures exceptional durability and resistance to chemicals. The racks are designed to accommodate 13 mm diameter test tubes, with a capacity of 6x14 tubes. The blue color provides a clean and professional look, and each pack contains 5 racks, making it a great choice for laboratories needing a practical and reliable solution.