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