Unique Design: Rotating cable hole for desktop, easy to open and close the hole to fix it on the cable. With a spring-loaded cable entry, it can be easily removed by 360 rotation. Easy to use: The high-quality built-in hairbrush can effectively prevent the wire from being pinched. Installation of the desktop sleeve is quick and easy. Drill a hole, put the gasket in the hole, pass the cable through the gasket, and close the cover. Very easy to install, easy to disassemble, very convenient to use. Tidy exterior: It has a small opening that allows the wires to pass through and keeps the wires more tidy; it makes the look tidy, rather than snag on the edges. The cover is removable, so if you have a lot of wires, you can use a grommet without a cover. Various design requirements can be met. Widely Used: The desk index ring can easily organize wires from computer desks, PC peripherals, office equipment, home entertainment systems , office and school. High quality materials: the cable hole cover is made of high quality aluminum alloy, with smooth and shiny surface, easy to clean, waterproof , not deformed, durable, and can be used for a long time.