Professional Aluminum Architect Scale Ruler - 12 Inch Triangular Drafting Tool for Blueprints, Engineering & Design - Perfect for Architects, Engineers & Students

Classic Architect Scale Featuring 3 Sides & 6 Different Scales: The triple-sided architect ruler includes: 1-1/2", 1, 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", 1/8", 3, and 16.
High-Visibility Grooves Will Not Fade or Smear: 
Made of Professional-Grade Anodized Aluminum: The aluminum is solid, lightweight, and durable. All measurements are embossed into solid aluminum