About the product
- Triangle ruler features 3 sides and 6 different imperial scales for making or measuring reduced scale drawings
- A true professional-level ruler scale for drafting, engineering, blueprint reading or drawing, with color-coded grooves for quick scale selection
- Aluminum metal makes this ruler tough yet lightweight, for easy, quick use in the office or on the job site
- High contrast black gradation markings are etched into the drafting ruler for easy reading - essential for long days at the drafting or blueprint table
- When you need quality, turn to Staedtler, the premier manufacturer of drafting supplies and architectural drawing tools
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