Art Alternatives Triangular Engineering Scale, 12"

Art Alternatives Triangular Engineering Scale, 12" This scale is designed to measure from reduced scale drawings, such as blueprints and floor plans, but also works as a handy all-purpose ruler. Designed with engineers in mind, this scale is fully divided with gradations of 10, 20, 30, 40, 50 and 60 decimal parts to the inch.

Features easy-to-read gradations, Colored grooves make it easy to identify scale, Durable plastic construction