Description: Iron Laboratory Chemistry Experiment Beaker Tube Clamp Gauze Mat Tripod Stand for Lab Supplies Made of iron, and high quality Used for teaching tool, lab equipment Color: Silver Top Inner Diameter: Approx. 8.5cm / 3.35inch Stand Height: Approx. 14cm / 5.51inch Package Includes: 1 Tripod Stand Note: Due to the manual measurement, please allow 1-5mm differences in size