Du-All Art & Drafting Supply

Lightweight, professional-quality scales are made from color-anodized aluminum with printed graduations on ultra-smooth, mark-resistant surface. 6" solid core engineer scale in assorted color (silver, blue, or black). Supplied in hard plastic case.
All engineer scales have the following graduations unless otherwise noted: 10, 20, 30, 40, 50, 60 parts to the inch.

Colors may vary.