Welcome to our shop This product is made of high-quality anti-slip plastic, ensuring durability and stability. It is designed to fit most 84 mm long tubes. The dimensions of this product are 10cm x 4cm x 3cm (width x height x width). Please note that this listing is for one unit of this product. Note: 1. Please allow small size error due to manual measurement. Thanks for your understanding. 2. 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. (Customer satisfaction is our top priority. If you find any product problems after receiving the goods, such as damage or incorrect quantity, please contact us immediately. We will try our best to provide you with satisfactory after sales service) Thank you for meeting me.I hope this helps you. Wish you a happy life.