3 Design-Wrapped finger can hold beaker tightly, not easy to off. The finger opening can be adjusted to fit different specifications of beakers. Delicate Design-Covered pins would not leave any scratches on objects.The adjustable can be easily fixed on one edge of the table. Safe to -Extension rod design makes the experiment process more secure. Sturdy and Durable-Surface plating treatment, rustproof and anti-corrosion. Practical Experiment Fixing Accessories-Our laboratory beaker is a good laboratory assistant, and very practical, perfect for school, laboratory. size:28cm Material:Metal colour:Red+silver Package Contents: 1 * Three-jaw Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.