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Helix HLX37420 Conversion Ruler 12 in. Black


Conversion Ruler offers a convenient way to measure either Imperial or metric and then get instant conversion to either. In addition to Imperial and metric measurements on the edge the unique design incorporates a conversion scale in the center so you can convert measurements from metric to inch and inch to metric. The background is black so the white imprints of 1/16 and millimeter graduations are easy to read. Ruler is printed on both sides and made of flexible plastic.

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