Description: Professional Architect Engineering Scale Ruler, great for engineering measure and design. Made of environmental protection material, convenient, easy to use and carry, very durable. Good flexibility, can be used for flexural measurement. It consist of 5 pieces flexible rulers, with clear scales printed on it. 10 Scales in One Foldable Ruler: 1:10, 1:15, 1:20, 1:25, 1:30, 1:33, 1:40, 1:50, 1:75, 1:125. Specification: Material: Plastic Package Includes: 1 Set of Engineering Scale Rulers
