The Leviton 47615-PTT palm termination tool is specially made to hold the data/voice jack while you terminate the wires into the jack.
This palm termination tool is compatible with Leviton CAT 6A/6/5E and standard QuickPort A/V connectors. It has a cable holder, allowing a cable to be held in place and making it easier for the installer to put the wires in the connector and its' overmolded, cushioned grip provides comfort operation.