Minnesota-based craftsman Charlie Kocourek wanted an adjustable-height workbench, but found exising versions to be poorly designed—requiring great physical strength to lift or lower—or just too expensive, in the case of motorized ones.
Kocourek then invented his own, the Jack Bench, which ingeniously uses scissor jacks culled from junkyard cars. To operate them, he needed something that would provide rotational force, and turned to something every builder has handy: a power drill.
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