Allen Key Hex Standard 4.0mm – 250mm Length
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A hardened and tempered hexagon allen key in metric standard series, sized 4.0mm with a 250mm overall length. Features a durable black finish and special steel construction for reliable performance in electrical installation, panel building, and general maintenance work. Ideal for trade professionals and electricians who require precise hex socket fastener tools.
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Allen Key Hex Standard 4.0mm – 250mm Length
SKU: FUH0950
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