What is the thing called that holds the test tubes?
Test tube racks are laboratory equipment used to hold upright multiple test tubes at the same time. They are most commonly used when various different solutions are needed to work with simultaneously, for safety reasons, for safe storage of test tubes, and to ease the transport of multiple tubes.
What is the size of a test tube holder?
A stable, economical test tube rack for holding large and extra-large tubes. It has six 25 mm diameter holes and six drying pegs. The overall size is about 24 cm long, 7 cm wide and 9 cm high.
Are all test tubes the same size?
Get lab glass test tubes in three sizes: small, large & extra-large. The large and extra-large borosilicate test tubes comes in packs of two, while the small come in packs of six.