Keep Desk Clean and Maintain SecurityCable management is used for cord or wire management on your desk to provide a clean and organized working environment. Region. High Quality MaterialThis desk grommet is made of high quality ABS plastic, it is thick and durable. It can contact and rub with wires for a long time without being damaged, at the same time it will not wear down your wires and cables. Adjustable Removable Hole Cover The cover has an opening for allow the wires to pass through the top of the table in an orderly fashion; press the fan-shaped opening to adjust the size. If there are too many cables, you can also press the bottom spring to remove the cover. office cable passage Fits most wires. Easy to InstallMeasure the size of the round grommet caps, drill a suitable hole, then put the grommet inside the hole . The size of the grommet is 60mm/2.36inch. The wire can easily pass through the hole cover, which is firmly installed and not easy to loosen Wide ApplicationIt is a simple and convenient way to organize wires and cables efficiently with these desktop cable management, it will soon hide all your cables, cords and wires. They can also be applied to tidy computer desks, PC peripherals, office equipment, home, office and school entertainment systems