ME Steel Non-Slip Back Ruler 6 (1/32 Metric)

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Machinist Ruler, 4 Pack (6, 8, 12, 14 Inch), Metric Ruler

Precision-made of the finest kiln-dried lumber. Numerals and graduations are sharply delineated and checked for accuracy. Both edges are double brass. Clear lacquer finish. 1 3/8 wide x 3/32 thick.

Westcott 12 Flat Wood Ruler Two Double Brass Edges

Is there a word for this feature of a ruler?

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