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14.25"" Triangular Ruler With Adjustable Scale Knobs

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This ruler is truly the architect's friend. It enables you to draw everything to scale, and to complete an accurate picture of the finished product. Includes a 6 sided adjustable scale know to keep everything at equal scale, converting meters to millimeters, etc.
  • 14.25"" long overall
  • adjustable 6 sided rod
  • dependable straight edge
  • great for crafters
  • perfect for architects