40 Holes Test Tube Rack Stainless Steel Centrifuge Tube for 21mm Tubes Laboratory Experiments

Stainless Steel: This test tube rack is made of 304 stainless steel, featuring a sturdy and dependable structure with strong resisting, ensuring lasting and rustproof performance Test Tube Holding: This metal rack is suitable for storing 21mm test tubes. It securely holds the test tubes, effectively preventing damage. It can also serve as a carrier for easier movement of the test tubes Convenient Use: With this stainless steel rack, you can clearly see the objects inside the test tubes and conveniently insert and remove them. It is suitable for use in laboratory, school, or at home Item Type: Test Tube Rack Product Material: Stainless Steel Use: Organize test tubes or pens neatly in the laboratory