BokWin Architectural Scale Ruler(Laser-Etched),Imperial,12" Aluminum Architect Scale Triangular Scale Ruler for Architect,Draftsman, and Civil Engineer Blueprints, Black

Specification Material:anodized aluminum alloy Color: Black Imperial Scale:1-1/2", 1, 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", 1/8", 3, 16 Package included: 1 x 12" triangular architect scale Notices 1.Since the size is manually measured, please allow an error of 1-2mm 2. The color of the product may vary slightly due to photography & your screen Excellent after-sales guarantee: We provide you with comprehensive after-sales service. No risk. If you have any questions, we will patiently answer them for you. If you are not satisfied with our products, please let us know. We promise to give you 100% satisfactory after-sales service