12" Architect Triangular Scale.

High Impact Plastic with Tapered Edges.

Architect Graduations: 3/32 & 3/16, 1/8 & 1/4, 1/2 & 1, 3/8 & 3/4, 1/2 & 3 Inches to the Foot.

Additional Edge with Standard Inch Scale and 1/16" Graduations.