12 Inch Triangular Engineer Scale Ruler
CPN-563537975
1,Imperial Scale: 3 sides with 6 scales - 1:10, 1:20, 1:30, 1:40, 1:50, 1:60. 2,Function:Perfect for Blueprint, Professional Applications, Architecture,Civil Engineering, Drafting and Technical Illustration. 3,Material:Made from high grade anodized aluminum and well-machined. 4,High Quality:Triangular Body Design for Safer Cutting and Scoring of Materials. 5,Precise Scale:Professional grade for supreme accuracy. Reliable for Engineers and students Drafting their blueprints, designs or drafts
