A device called a test tube rack is used in labs to hold and move test tubes during experiments or when checking cultures. They can also fit other lab supplies like pipettes and stirring rods. Test tube holders are another name for test tube racks.
In order to serve varied purposes and survive various factors, such as intense heat and subzero temperatures, test tube racks are manufactured from a variety of materials, including metal, plastic, and polypropylene. They might be made to hold a varied number of test tubes at once and fit a range of test tube sizes.
