A hex key, also known as an Allen wrench, is a tool of hexagonal cross-section used to drive bolts and screws that have a hexagonal socket in the head.
![4mm 6" T Handle (Metric) Hex Key Sets Alloy 8650 (USA) (5/Pkg.) 4mm 6" T Handle (Metric) Hex Key Sets Alloy 8650 (USA) (5/Pkg.)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/35130/11758/529__46179.1411570856.png?c=2)
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4mm 6" T Handle (Metric) Hex Key Sets Alloy 8650 (USA) (5/Pkg.)
$47.98
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