Electronic Ruler - Digital on wood. Old wooden ruler has wired up with a digital display. Just push down on the edge of the device to mark where you want to measure and the ruler's circuitry does the rest. Click here for more info. Electronic Ruler - Digital on wood. Old wooden ruler has wired up with a digital display. Just push down on the edge of the device to mark where you want to measure and the ruler's circuitry does the rest. Click here for more info.
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