Transparent Acrylic Folding Ruler, Length:15-30cm

1. 2-in-1 Foldable Design (15cm to 30cm): Folds down to 15cm for easy storage in pencil cases, backpacks, or pockets, and smoothly unfolds into a full 30cm ruler to meet all your measuring needs. 2. Integrated 180-degree Protractor: Features a built-in 180-degree rotating hinge/protractor at the pivot, allowing students and artists to measure and draw angles precisely without needing extra geometry tools. 3. Multi-Functional Circle & Line Template: Designed with pre-punched positioning holes along the body, making it effortlessly easy to draw parallel lines, circles, and geometric patterns for math, art, or draft work. 4. Crystal Clear & Precise Scale: Crafted from durable, high-transparency plastic with high-contrast metric and inch markings. Clear visibility ensures accurate alignment and quick reading over printed text or diagrams. 5. Durable & Portable School Supply: Built with smooth-pivoting hardware for reliable, repeated folding. Ideal for students, teachers, architects, and designers for classroom, office, and home use.