Welcome to the store! Material: Silicone Classic Style Installation Type: Screw-in About this item: Durable Material: The desk hole cover is made of white silicone, which is durable, corrosion-resistant, highly resilient, and stable, ensuring long-lasting use. Package Includes: You will receive a total of 12 grommets for holes, each with an inner diameter of 25 mm/1 inch and an outer diameter of 29 mm/1.1 inches. Please verify that this is the size you need before purchasing. Easy to Install: You need to drill a suitable hole first, with a recommended diameter of 0.97 inches / 24.5 mm. Then, insert the protective silicone cover into the hole for effective cable management. Suitable Size: The silicone grommet for the desk is approximately 1 inch, suitable for wires with a diameter of 1 inch or cables with a diameter of less than 1 inch, providing you with a tidy desk. Wide Range of Uses: With these cable grommets for the desk, it's a convenient way to organize wires and cables efficiently. It can also be used for computer desks, PC peripherals, office equipment, home, office, and school entertainment systems. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!