ApexDesk UL Certified Two-Outlet Power Grommet with Two 5ft Cords, 3.15" (80mm) Diameter (Black) Fits desk grommet holes 3.15" or 80mm in diameter Two UL-Certified AC power outlets Two 5-ft power cords, long enough for adjustable desks Comes with a convenient wire hole Compatible with ApexDesk Elite Series 71", Elite 60', Flex Pro 66" Series, AirDesk 47/59" Series and Vortex Series Height Adjustable Desks