3 Pack Architectural Scale Ruler: There are 3 pieces of Architectural Scale Ruler in the package: 12 Inches blue, 6 Inch black and red. It is enough for daily work and study.
Standard Imperial Measurements: 1-1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8, 3, 16. This architect's ruler has 3 sides & 6 different scales, very convenient and useful.
Laser Etched Scales Never Fading: All numbers and measurement markings on drafting scale rulers are laser etched for maximum clarity and readability. They will not Wipe or scratch off ever.
Good For Years Of Use: Made of professional-grade anodized aluminum very solid and sturdy, lightweight, easy to carry.
Perfect For All Projects: Deal for work, learning and hobbies. Perfect for architects, engineers, students, contractors, to drafting and measuring architectural drawings.