**Triangular ruler features 3 sides with 6 different scales, and made from high Impact aluminum, build to last.
**Laser etched scales never fading. Architect ruler with durable laser cut imperial prints for accuracy. They will not wipe or scratch off ever
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Usage Introduction
**12" triangular architect scale designed to facilitate the drafting and measuring of architectural drawings, such as floor plans, blue Prints, and orthographic projections
**Professional grade for supreme accuracy color coded triangular scale for easy and quick selection of the desired scale
1.We have specialized QC testers to check the products quality according to different customers. 2.We have IQC to check the dimensions and surface of the incoming material. 3.We have PQC to inspect full-course during the processing 4.We have FQC to inspect all the plating products from outsides and make the 100% inspection before the shipments.