Enhance your precision drafting and measuring tasks with this professional-grade Architectural Scale Ruler, crafted from durable aluminum for exceptional sturdiness and long-lasting use. Designed with a unique triangular shape, this scale ruler provides stability and minimizes bending or warping, ensuring accurate positioning and precise measurements on all your projects. Key Features: · **Sturdy Aluminum Construction:** Made from rugged aluminum material, this triangle drafting ruler resists warping and bending, maintaining a flat profile for consistent accuracy and reliability. · **Unique Concave Design:** The concave edges reduce smudging, allowing you to create clean, distinct pencil lines that contribute to crisp and professional-looking drawings. · **Multiple Accurate Scale Options:** Featuring six precise scales—1:100, 1:200, 1:250, 1:300, 1:400, and 1:500—this ruler offers versatile measurement capabilities suited for a wide range of architectural and engineering applications. · **Professional-Grade Tool:** Ideal for architects, draftsmen, engineers, and students, this scale ruler is well-suited for architectural drawing, drafting, engineering projects, and academic use, providing exceptional precision in every measurement. · **Permanent Etched Markings:** The engraved scale markings ensure long-lasting visibility and accuracy, preventing fading or wear over time compared to printed or painted scales. · **Compact 30cm Length:** Offers a convenient size that balances portability with a broad measuring range for diverse project needs. Specifications: · Material: Aluminum · Item Type: Architectural Scale Ruler · Use: Professional architectural, drafting, engineering, and educational tool · Range: 30cm · Scale Options: 1:100, 1:200, 1:250, 1:300, 1:400, 1:500 Package Includes: · 1 x Architectural Scale Ruler This aluminum Architectural Scale Ruler combines durability, precision, and versatility, making it an essential instrument for professionals and students in architecture, engineering, and drafting disciplines. Achieve accurate, smudge-free lines and reliable measurements every time with this expertly crafted scale ruler.