Plastic Test Tube Rack for 12/13 mm Tubes, Hole Diameter is 13.6mm, Holds 50, Detachable, Karter Scientific 208V2 (Pack of 1)

Plastic Test Tube Rack for 12/13 mm Tubes, Hole Diameter is 13.6mm, Holds 50, Detachable, Karter Scientific 208V2 (Pack of 1)

• 50 hole,Diameter: 13.6mm/0.54"
• 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 13mm
• 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