[Premium Material]: These grommets are made of high-quality durable matte metal, with excellent manufacturing technology, smooth and bright surface, easy to clean, waterproof, compression-resistant, and corrosion-resistant. [Flexible Size]: The ring can accommodate any cable with a diameter of up to 1.5 inches. The plastic cover is removable. If there are multiple cables, the grommet can be used without the plastic cover for sealing. [Easy to Install]: The inner diameter of the metal desk grommet is 60mm, the outer diameter is 68mm, and the height is 12mm. Simply drill a hole, insert the product, and install it quickly and easily. [Convenient and Neat]: The 60mm table grommet allows for multiple cables to pass through in any direction, helping to organize the workspace and keep cables tidy on the desk and in the work area. [Widely Used]: The desk grommet cap is suitable for routing everyday cables such as telephone lines, tablets, PC peripherals, office equipment, home entertainment systems, and more in office and home environments.