Graphic Tablet -12"" Aluminum Triangular Scale Architectural Draftsman Ruler Highlights brand generic 12"" Aluminum Triangular Scale Architectural Draftsman Ruler Description: 30cm Triangular Architectural Scale/ 12 inch designed for easy drafting and measuring of architectural drawings, such as floor plans, blueprints and orthographic projections High impact aluminum alloy triangular ruler, built to last. Architect's ruler, durable impressions for accuracy. They will never be erased or scratched. Finely coded triangular scale for quick and easy selection of the desired scale. Scale: 15011501251751201100. Specification: Material: Aluminum Alloy Color: Golden Silver Black Package Include: 1 Piece 12 inch Triangular Engineer Scale Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size.