Made of polypropylene plastic, this test tube rack is a essential piece of laboratory equipment that helps keep benches organized and chaos under control. Safe materials provide a secure grip and create a practical frame for test tubes, making handling easy and reliable during routine work. The test tube organiser features ample round holes to hold test tubes and other tubes, acting as a stable tube stand for everyday use. Capacity and compatibility: designed to hold a large number of different sizes of test tubes, it serves as a versatile laboratory tube rack for a range of tube sizes. Use scenarios: - In routine chemistry bench work, use it to sort and access assay tubes and spare tubes quickly during experiments. - In biology labs and classrooms, pre-sort samples, reagents, and various size tubes for demonstrations and activities. - In research or setup tasks, keep multiple tube sizes upright and accessible during complex workflows or protocol preparations.