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Allen key

noun

  1. an L-shaped tool consisting of a rod having a hexagonal cross section, used to turn a screw ( Allen screw ) with a hexagonal recess in the head. A different size of key is required for each size of screw
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Allende, SalvadorAllen Park