Triangular Scale Ruler 30cm Metric Aluminum Drafting Scale Ruler for Architect Draftsman Engineer St

Feature: 1. Triangular Scale Ruler: This triangular scale ruler provides 1:100, 1:200, 1:250, 1:300, 1:400, 1:500 scales, versatile and practical, suitable for various applications. 2. Aluminum Material: The triangular scale ruler is made of aluminum material, sturdy and robust, resisting bending and warping, ensuring durability. 3. Convenient Design: The ruler can lay flat on drawing surface for precise placement. Concave design helps reduce smudging for clean pencil lines. 4. Anti Fading: This architect scale ruler adopts printing technology, providing clear and lasting scale, which is not easy to wear or fade. 5. Wide Application: This engineer scale ruler is widely used in architecture, drafting, engineering, and schools, suitable for architects, draftsmen, engineers, and students. Specification: Item Type: Triangular Scale Ruler Material: Aluminum Use: This engineering scale ruler is a professional tool with extremely high accuracy. The triangular ruler is widely used in architecture, drafting, engineering, and schools. Suitable for architects, draftsmen, engineers, and students. Size: Approx. 30cm / 11.81in Specification: Metric System Color: Blue Package List: 1 x Triangular Scale Ruler 1 x Storage Box Note: