Alumicolor Aluminum Solid Triangular Drafting Scales alumicolor-solid-triangular-drafting-scale-12-silver-architect/

Description Widely used by drafting professionals Alumicolor Aluminum Solid Triangular Drafting Scales are made of extruded aluminum A special photoanodizing process incorporates the rulers calibrations into the aluminum to provide a smooth tickfree finish and markings that are resistant to cleaners and solvents Available in metric or Imperial calibrations