Doug Mockett & Co. Inc. has introduced a versatile square metal grommet (SQR1) that is suitable for any desktop, any retrofit requirement. Its square flange gives way to a round hole. Center-strip-with-brush clicks out for easy access of cables and plugs. Just put plugs through and click center strip back into place. It is available in three great-looking finishes: Satin Nickel, Polished Chrome, Matte Chrome.
Optional (and removable) USB hub (SQR1/USB) has single plug underneath and powers the four USB inputs on top, enabling up to four mobile devices at one time.
Overall size: 3 17/32-inch square, goes into 3 1/8-inch hole.