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Feature
12" triangular scale - ideal for scholastic and vocational use.Architect,engineer and mechanical draftsmen graduations.
Sharp easy-to-read graduations resist wear.
English and metric.
All architect scales have the following graduations unless otherwise.noted: 3/32, 3/16,1/8,1/4,1/2,1,3/8,3/4,1; 3" to the foot; one edge to 16ths.