Allen wrench

American  

noun

1. a wrench for Allen screws, formed from a piece of hexagonal bar stock bent to a right angle.

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Etymology

Origin of Allen wrench

Formerly a trademark

Example Sentences

Standard models typically come with an Allen wrench and/or a reset button.

From Washington Post

“They don’t come flat-packed with an Allen wrench. You need years of training and a whole infrastructure for sustainment,” the State Department official said.

From Washington Post

Dad hats serve a purpose, like a lathe or an Allen wrench.

From Los Angeles Times

You’ll also want to bring essential bike tools, like tire levers, an Allen wrench, spare bike tube and tire, chain links, a pump, chain tool and lube.

From Seattle Times

You can see the particleboard where you cracked the façade with that stupid little Allen wrench.

From Fox News