Triangular Scale - 12" Architect / Engineering Hallow Core Aluminum Size:Engineering making it an excellent choice

making it an excellent choice for drafting

PROFESSIONAL-GRADE CONSTRUCTION - Vegan-safe synthetic leather cover with reinforced stitched seams ensures years of reliable use in demanding work environments

tortillions for blending

Multiple Sizes Available - Available in multiple page sizes

Extra Features - Designed with double knee joints

Triangular Scale - 12" Architect / Engineering Hallow Core Aluminum Size:Engineering making it an excellent choiceEasy to Use Sharp, easy to read graduations divided into 10, 30, 40, and 50 parts to the inch for precise engineering measurements and various types of projects Multipurpose Ruler Designed for architect, engineer, and mechanical draftsman projects. Great for students, hobbyists, beginners and professionals alike. Durable, Premium Material Constructed of aluminum, this hollow triangular scale is made lightweight and long lasting, so you can use it for