Although the API basic test kit has space to store tubes, it's a bit awkward to use for multiple tests, so I saw this product and ordered it. It arrived today, I will order more. That's exactly what the doctor ordered. 6 holders for working with test tubes and 6 posts for drying test tubes after washing. Perfect design and high-quality workmanship. Worth the money guys. This is sure to be your third hand and the best part is that it looks great.
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