The Pop-Up Grommet Outlet & USB Charger from Balt is designed to add AC power and USB charging accessibility to your unused desk grommet. It features overcurrent and voltage protection. You can keep your laptops, tablets, phones, or other mobile computing devices charged and ready to go at your desk, in your conference room, or anywhere else where power access is needed. The retractable power supply includes four AC outlets, two USB charging ports, and a 10' power cord. The outlets tuck away neatly when not in use.
Overall measures 2.9" in diameter and requires a 2.4" hole
In closed position, you can eliminate desktop wiring clutter