adjustable wrench

US /əˌdʒʌs.tə.bəl ˈrenʧ/
UK /əˌdʒʌs.tə.bəl ˈrenʧ/
"adjustable wrench" picture
1.

a wrench with a jaw of adjustable width, allowing it to be used with different sizes of fastener head

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He used an adjustable wrench to tighten the bolt.
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Always choose the right size adjustable wrench for the job.
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monkey wrenchcrescent wrench
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