Test Tube Stand for Laboratory Use | Chemical & Biology Experiment Rack | High-Quality Plastic/Metal Tube Holder for Schools, Colleges & Labs triple sheave block allowing you to focus more
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Description
Test Tube Stand for Laboratory Use Chemical & Biology Experiment Rack High Quality Plastic Metal Tube Holder for Schools, Colleges & Labs triple sheave block allowing you to focus more allowing you to focus more on your work rather than laundry To change the value press PLUS MINUS KEY