Test Tube Holder, 1pcs Aluminum "Z" Shape Tube Rack, 12.5mm Tubes, 50-Place

[High Quality] Made with 100% brand new materials. [Function] This is the most basic chemical experiment instrument. You can put the test tube on the test tube rack for experimental observation. The product is exquisitely made, the material is stable, and it is durable. [Storage function] Lightweight, convenient to carry, and easy to store. Comfortable, beautiful, easy to store and move, and save space. [Application] It is mainly used in the laboratory. It can clearly and intuitively see the contents of the test tube, easy to operate, and easy to insert and remove the test tube, which is very suitable for teaching experiments. Aluminum "Z" Shape Tube Rack, 12.5mm Tubes, 50-Place