Features: Crafted from aluminum alloy, this measuring tool features foldable designs and centimeter scale, ensuring durability and precisely measurements for professional drawing tasks. The folding aluminum alloy ruler with clearly marking and ergonomic grip, while folding compactly to 30cm for effortlessly portability in pencil case, school bag or drawing toolkit. Suitable for students, and engineers seeks multipurpose drawing tool for academic project, technical drawing, or professional engineering drawing. Effortlessly adapts to classroom, home studios, or construction sites, engineering drafting, school geometry classes, while delivering accurately measuring result in educational or industrial setting. Engineered with reinforced joints and scratch resistant surfaces, this folding metal ruler maintains structural integrity through repeated use in demanding environment like construction sites or art studios. Specifications: Component: Aluminum alloy Color: Black and Redness/Black Gray/Black Gray/Rose Gray/Gold Gray/Pinkness Gray/Blue Green/Red Green Size: Approx. 19.5x6.8cm/7.68x2.68in Weight: Approx. 50g Note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color Package includes: 1Piece Ruler Folding Aluminum Alloy Ruler Multifunctional Drawing Ruler Measuring Tool For Students Engineers Engineering Drafting Professional Folding Aluminum Alloy Ruler Measuring Tool For Students Architects Engineering Drafting Measuring Drawing Multipurpose Folding Aluminum Alloy Ruler Professional Measurement Tool for Drafting Engineering Technical Drawing Folding Aluminum Alloy Ruler Professional Drawing Ruler For Drafting Measuring Professional Aluminum Alloy Ruler Folding Metal Measuring Tool For Drawing