Name: The Energy Screwdriver
Appearance: Small, circular with dark red lines running down it. When used, the light on top is dark red.
Abilities: Extracts and gives energy to anything. Can scan for energy sources and can act as a beacon for energy sources to scan for it and much more.
Limitations: Time Lords. They can resist it if they know how.
Origin: The first one was made by the Lieutenant's TARDIS with the Lieutenant's help. The Lieutenant has it today as he got in trouble for owning a duplicate of the Doctor's sonic screwdriver and had it confiscated and destroyed.