Welcome to our store! 1、Premium Material: Made of 304 stainless steel, this test tube rack is durable and resistant to wear and tear in the lab. 2、Lightweight and Portable: This stainless steel test tube rack is lightweight, durable, compact, and easy to carry, making it ideal for science lessons and home use. 3、Fine Workmanship: The test tube rack features a highly polished surface with no edges or sharp corners, prevents chemical corrosion, and is designed for professional laboratory use. 4、Versatile Uses: This rack can hold test tubes up to 32mm in diameter, up to 6 test tubes, and can also be used in the kitchen to store spices or utensils in addition to laboratory use. 5、Easy to Use: The 3-layer design of the laboratory test tube rack allows for easy insertion and removal of tubes. Saves a lot of space by placing test tubes in an orderly manner. Item Type: Test Tube Rack Material: 304 Stainless Steel Product Size: Approx. 13 x 9 x 8.5cm / 5.1 x 3.5 x 3.3in Application: Can hold a maximum diameter of 32mm/1.3in test tubes, ideal for classrooms, science laboratories, and home use. 1 x Test Tube Holder Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.