Rubber Stopper Size #7 - 1 Hole - 10 Pack
Size #7 1-hole stoppers suitable for test tubes and/or Erlenmeyer flasks. 10 pack.
Out of stock
SKU:
MAS-02010
$15.40
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Energy Stick
Completely safe to touch and handle, simply complete the circuit by touching both electrodes at the end of the stick simultaneously.
Rubber test tube stoppers suitable for Glass or Plastic Test Tubes and Erlenmeyer Flasks. These long lasting stoppers are made from excellent grade rubber, with a low sulfur content. Contains 10 Size 7 stoppers, each with 1 hole.
| #5 | #6 | #7 | #8 | #9 | |
| Top Diameter (mm) | 20 | 23 | 26 | 27 | 29 |
| Bottom Diameter | 16 | 17 | 20 | 22 | 24 |
| Height | 21 | 23 | 25 | 28 | 29 |
| Age Group | 7-8 Years, 9-10 Years, 11-12 Years, 12+ Years |
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