The Milwaukee Universal QUIK-LOK™ Extension (Model 48-28-1040) is built for professional electricians, contractors, and serious DIYers who need fast, reliable bit changes on the job site. Engineered to fit shanks with or without a power-groove, this 12 in x 7/16 in extension eliminates the need for tools when swapping bits — keeping your workflow moving without interruption. Impact-rated for maximum durability, it stands up to the demands of heavy-duty drilling and driving applications in residential, commercial, and industrial settings.

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