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Product Review
- 50 hole,Diameter: 16.2mm/0.64in
- These are great for making homemade chapsticks,storing ink samples,test tubes, lip balm, great for holding small cylinders upright
- Suitable for test tubes with an OD ranging from 12mm to 16mm
- The test tube rack are made of laboratory grade polystyrene, durable and light weight, easy to carry, not autoclavable
- The test tube has 3 Layer, 2 slots, each layer has a direction, slide the shelves in from one side, the other side has a lip that stops it, fits very snug. The stand has three layers of holes with a smallest hole at the bottom to keep tubes steady, and the large holes on the second and the top floor
