Triangular ruler is made from high impact aluminum, build to last. With durable laser cut imperial prints for accuracy. They will not wipe or scratch off ever.
12 inches triangular architect scale is designed to facilitate the drafting and measuring of architectural drawings, such as floor plans, blue prints, and orthographic projections.
Color-coded grooves in triangular scale for quick and accurate selection of the desired scale. Sharp graduations and precise markings perform well on any surface.
