Plastic Test Tube Rack, Compatible with 0.51-0.71 Inch Tubes

About this item Purpose: A test tube rack is a laboratory apparatus used to support test tubes Hole Size: The holes have a diameter of 0.51 in, 0.63 in and 0.71 in, with a total of 50 holes arranged in a 5x10 configuration Material: Made of polystyrene, lightweight and durable Layered Design: The test tube rack consists of three layers, employing a porous plate design for easy assembly and disassembly