3 different sized adjustable wrenches

Wrenches are used to twist or turn items, usually to tighten nuts and bolts. "Wrench" is the American English term. The British English term is "spanner". Adjustable wrenches will work for multiple size items, but there are other specialized wrenches for specific tasks.


Mechanism Close-up

a wrench in use



  • monkey wrench - a disruption
  • throw a spanner in the works - to disrupt


  • Wikipedia's article on wrench

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