Narvin had a sonic screwdriver made, based on the Doctor's design, after seeing its utility when carried by the Doctor. At first he objected, preferring to call it a sonic lockpick, but then admitted the nature of his new device.. In honour of the faithful gadget, we've put together a list of every Doctor Who sonic screwdriver ranked from worst to best.
Only one hero sonic screwdriver prop was production created for filming on Doctor Who: The Movie and this piece of Doctor Who history represents the oldest classic design sonic screwdriver filming prop used by The Doctor confirmed to still exist.. The Seventh Doctor acquired a sonic screwdriver at an unspecified point of his life. Many contradictory accounts existed, including one which claimed he had acquired it at some point before meeting Bernice Summerfield, (AUDIO: Love and War) and another, which claimed he acquired it from himself.