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Borosilicate Glass Round Bottom Test Tubes, 30mm O.D. x 165mm Length, 15-Pack

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Regular price $20.49 USD
Regular price Sale price $20.49 USD
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  • 15-Pack
  • Dimensions: 30mm O.D. x 165mm Length
  • The test tube is made of borosilicate glass with a rounded cylindrical bottom, and appropriate wall thickness
  • StonyLab ensures high quality products and premium customer service. If received damaged, please contact us immediately. We will solve it until satisfied

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Customer Reviews

Based on 15 reviews
73%
(11)
13%
(2)
7%
(1)
7%
(1)
0%
(0)
J
Jennifer
Exactly as described

Very easy to break

M
Michelle
Fast delivery & nothing was broken

They came really quick and were individually wrapped with none broken!

A
Amazon Customer
Not what I was looking for or expecting

Poor example of borosilicate glass. super thin, extra soft, cracks while cooling 9 times out of 10, which its not supposed to do very disappointed

s
susan james
Tubes for plant cuttings

So far, so good. Using to root cuttings in oblong vase on windowsill. Works well.

A
Abby
Fits sharp edge dice

the d4 barely barely fits but even with a slightly oversized d20 all the dice fit nicely. Its a bit longer than I needed which I was aware of, but I even after hours of searching I could never find exactly what I wanted that didn't ship from china and take 2 months to arrive. These will work nicely, though. I ordered size 15 natural corks from etsy for these. probably could have ordered a 14 to make them stick down in the tube better and fill that gap in the top. Might pour a bit of resin down in the bottom instead. they are the correct 30mm on the outside. walls are 2mm thick so its 28mm usable space. All test tubes arrived safely and unbroken. They're not super thick or durable, about like a sturdy eggshell, but they don't feel cheap. overall pretty nice would buy again or recommend

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