The T-Blade is held to the skate chassis by a stabilizer and six screws which require a special three-pronged wrench.

A special wrench may be used for easy adjustment of the clamp tension without damaging the rib of the violin.

The chuck enables the user to install and remove bits without fumbling with a special wrench, called a key.

The city has equipped many hydrants with sprinkler caps and turn-on valves that require a special wrench.

A third of the city's roughly 110,000 hydrants now have caps that require a special wrench with a magnet to engage the cap mechanism.

In the tool locker inside the boat, there was a special wrench for the purpose; but the hatch was buried now under tons of ice.

This cover cannot be easily removed without the use of a special wrench.

If a special wrench is required, it is in the kit.

Removal of the external frame and bolts usually requires special wrenches and can be done with no anesthesia in an office visit.

Some require a special wrench that is supplied.