12" Triangular Aluminium Tri Scale Metal Ruler Engineers Rule 30cm Diy

30CM TRI SCALE RULER - The engineering scale ruler is made of solid, lightweight aluminium that is easy to use for blueprints or any professional or educational project. This triangular-shaped 12" scale ruler is used by architects and engineers to draw precise scale drawings. It's ideal for architects, engineers, students, and contractors who want to deliver exceptional results. STRONG & DURABLE - For long-term use, the triangular scales are made of high-impact aluminium alloy steel with precise graduations etched on them. Architectural and engineering scales are both available in triangle scales. These rulers make line art, drafting, measuring, and educational projects much easier. WIDE RANGE OF USE - Designed to make it easier to prepare and measure architectural drawings, including floor plans, blue prints, room layouts, site plans, wall details, and orthographic projections, this 30cm (12 in) triangular architect scale | BARGAINS-GALORE 12" Triangular Aluminium Tri Scale Metal Ruler Engineers Rule 30cm Diy in Silver