Alumicolor Architect 6 inch Ruler Scale w/ 4 Bevel Design for Drawing, Drafting & Engineering, Calibrations Divided by (1/8, 1/4), (1/2, 1), (3/8, 3/4), (3, 11/2), Red

IDEAL METAL ENGINEER RULER - This 6 inch scale is perfect for drawing, drafting and measuring designs, such as blue prints, floor plans, scale drawings PRECISE & ACCURATE - Calibrations divided by 10, 20, 30, 50 parts per inch that are perfect for architects, builders, roofers, framers and lumber yards EASY TO READ MARKINGS - This ruler is the perfect on the go tool for architects, engineers, drafters and artists DURABLE DESIGN - Made from high quality extruded aluminum with photo-anodized markings that won't wear or rub off ALUMICOLOR IS QUALITY - Made with the highest quality extruded aluminum with smooth edges and calibrated to exact specifications that will stand the test of time