Are you still looking for convenient and practical test tube holder? Our product is your good choice. Special design and it is in fine craftsmanship. It is the best replacement for your old, broken tube holder. It is adopted by good material, with fine craftsmanship, has excellent durability and practicality, suitable for laboratory, school, etc. Features -Color:Orange -Material: PP -Size: 25.00X13.00X5.00cm/9.82X5.11X1.97in -Note: hole diameter is 18mm/0.71 inch, suitable for test tubes with a capacity of 5/10/15ml. - High-class and safe materials make it have good touch feeling, practical and durable, and can serve you for long time. - The experiment test tube rack is great and perfect for laboratory to place and store your test tubes. - The necessary equipment for the laboratory, and your laboratory won't look so messy with it. - Wonderful detail and craftsmanship will ensure its durability and practicality. - The test tube rack has a large enough capacity and can store 50 test tubes at a time, which is very convenient. Package list: 1 Tube Rack