Flux coupler
A flux coupler was an engineering tool that looked similar to a coil spanner.

In 2154, while discussing events that had taken place on a version of  that had been thrown back into the past, Sub-Commander T'Pol asked Commander Charles Tucker III to hand her a flux coupler. ()

While setting up a gravity simulator, Lieutenant Commander Airiam reminded the engineering team in the 's shuttlebay that they would need a flux coupler to activate the power relays. ()

During a salvage mission to Empok Nor in 2373, Elim Garak killed Amaro with a flux coupler while under the influence of a psychotropic drug. ()

de:Flusskoppler
Engineering tools