Clear Glass Centrifuge Tube Rack for 50ml 100ml 250ml Lab Test Tubes(100ml 6holes)

- Durable clear glass construction securely holds 50ml, 100ml, and 250ml centrifuge tubes.
- Features three precision hole sizes: 30mm for 50ml tubes, 40mm for 100ml tubes, 62mm for 250ml tubes.
- devised as a single-piece unit for stability and easy handling in school laboratory environments.
- Provides organized tube storage and efficient workflow during experiments.
- Note: This is a tube holder only; test tubes are not included.