35mm diameter 2.0 USB 5V/2A Desk Grommet supplied with a 1.5mtr UK power cable. The 2 x Powered USB Ports making it an ideal accessory for your desk. Perfect for charging smart phones, tablets or anything that now requires USB charging. We cut the port hole and install into material up to 28mm thick. We CNC machine a 30mm pre drilled hole and then the unit jis inserted into the hole and tightens up from under using the locking nut.