Features 1、Made of high quality aluminum, durable to use. 2、Exquisite workmanship, not easy to rust. 3、Many different hole and it is suitable for different test tube. 4、This product can store test tubes together. 5、Used for holding test tube in the laboratory. Specification Features: 1. Made of high quality aluminum, durable to use. 2. Exquisite workmanship, not easy to rust. 3. Many different hole and it is suitable for different test tube. 4. This product can store test tubes together. 5. Used for holding test tube in the laboratory. Specification: Condition: 100% Brand New Material: Aluminum Aluminum Tube Rack Hole Number: 32 * dia. 8mm 32 * dia. 12.3mm 12 * dia.18mm 4 * dia. 30mm Weight: Approx. 178g / 4.0oz Size: Approx. 17.5 * 9 * 5cm / 6.9 * 3.5 * 2.0in Package List: 1 * Aluminum Tube Rack Note: Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List