Test tube rack
I wish the larger hole will be able to hold a 50 mL tube. The hole is slightly too small.
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Bulk pack of 12 polypropylene test tube racks, ideal for science classrooms, laboratory kits, and STEM programs that require multiple racks for student lab stations.
Each rack features four standard 3/4" (19mm) openings and two larger 1-1/16" (26mm) openings on the top plate, allowing the rack to accommodate a variety of common laboratory test tube sizes.
The base includes six hemispherical wells that help stabilize test tubes during use, while six integrated drying pins allow tubes to be inverted for convenient drying and storage.
Constructed from durable polypropylene plastic, these racks are lightweight, chemical-resistant, and supplied fully assembled for immediate classroom or laboratory use.
Dimensions (each rack)
8" × 2-3/4" × 3" (20 cm × 7 cm × 8 cm)
I wish the larger hole will be able to hold a 50 mL tube. The hole is slightly too small.