☞Unique Design: Rotatable flap design for the cable hole on the table, easy to open and close the hole to fix on the cable. With a spring loaded cable entry cover, it can be easily removed by rotating 360°. ☞ Easy to Use: The high quality built-in hair brush can effectively prevent the cable from being blocked. Installing the table hole sleeve is quick and easy. Drill a hole, insert the gasket into the hole, pass the cable through the gasket and close the cover. Very easy to install, easy to disassemble, very convenient to use. ☞ Neat Exterior: It has a small opening that allows the wires to pass through and keeps the wires cleaner; makes it look neat instead of hanging on the edges. The cover is removable, so if you have a lot of cables, you can use a grommet without a cover. Various design requirements can be met. ☞ Widely used: The desktop index ring can neatly organize the cables of desks, PC peripherals, office equipment and system entertainment systems in home, office and school