The rulers are zero center scaled with 1/16 in. graduations on one side and metric graduations on the other.
Two rulers are available, each with two specially designed tearing edges:
Slopes/Waves has wide rhythmic waves on one side and small, regular slopes on the other. Ruler is purple.
Mountain/Deckle has an irregular edge that mimics the sharp peaks of a mountain range on one side and a deckle edge on the other. Ruler is blue.
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