Easy to Install: Detachable test tube rack , and light weight, easy to carry. Material: Tube rack is made of solid , test tubes are not easily tilted after placement. Versatile: For student use or applications in lab or at home. Reusable: When you're finished using it, you can disassemble and wash it to keep it clean. As fundamental equipment for any chemistry workspace, this rack supports various experimental procedures. Suitable for educational institutions, research facilities, and professional ., Manufacturer: WENYAZIGUO