One frame each in blue, green, yellow, orange and pink. Accommodate 4 x 50 ml tubes, 10 x 15 ml tubes, 12 x 3-7 ml or 16 x 1.5 ml microcentrifuge tubes. Polypropylene racks slide together, allowing you to work with different tubes on as many connected racks as desired.
- Interlock on all sides
- Autoclavable
