- Stonylab SL001392 Laboratory Rack designed to store up to 90 test tubes with a 13 mm diameter - Made of high-quality white plastic, durable and easy to clean - 3-level structure allows for efficient organization and quick access to tubes - Assembled dimensions: 24.9 cm long, 10.5 cm wide, and 6.8 cm high - 3 mm board thickness for increased stability and durability - Detachable design for easy assembly, disassembly, and compact storage - Each rack slot measures 13 x 13 mm, compatible with most standard test tubes - Ideal for laboratories, educational centers, and scientific environments that require organization and safety when handling test tubes