Flat Architectural Scale Rulers

Flat Architectural Scale Rulers Cm, mm and scale. Scales featured: 1:1, 1:2, 1:5, 1:10, 1:20, 1:25, 1:50, 1:250. Designed especially for the drafting and measuring of architectural drawings, this architect ruler is a must-have. Smooth to touch, this ruler has soft edges for easy handling.