Arctural Scale Ruler 30cm Range Aluminum Accurate Concave Design Multifunctional Drafting Ruler for Engineering

Sturdy Aluminum Construction: Made from excellent rugged aluminum material, this drafting ruler minimizes bending and warping. Its robust design allows for a flat placement on drawing surfaces, ensuring accurate positioning for accurate msurements and lines. Concave Design: The arctural scale ruler ftures a unique concave design that helps reduce smudging, enabling the crtion of cln and distinct pencil lines. This design is suitable for detail work, ensuring that your drawings are crisp and professional looking. Accurate Scale Options: With accurate scales of 1:100, 1:200, 1:250, 1:300, 1:400, and 1:500, this triangular scale ruler offers a versatile range of msurement options. This allows engineers and arcts to make accurate calculations quickly and efficiently, catering to various design requirements. Item Type: Arctural Scale Ruler Material: Aluminum Use: Arctural scale ruler is a professional tool with high accuracy. ruler is widely used in arcture, drafting, engineering, school. This ruler is a good tool for arcts, draftsmen, engineers, and students. Range: 30cm