Features: Portable Wooden Measuring Ruler with double scale markings offer precisely measurements in classrooms, workshops, or travel, combining compact storage with centimeter scale functionality like hollowed geometric drawing templates guide and waving pattern. Engineered with light weight yet sturdy wood, this wooden drawing ruler geometry measuring tool features geometric drawing stencils and waving edges for technical drafting, scrapbooking, journaling project, and everyday academic use. Suitable for students, architects, and engineers needing portable multifunctional geometric measurement tool, this wooden ruler ensures accuracy across math assignments, blueprints, and craft application. Perfect for sketching precisely angles in art studios or quick measurements during home renovations, maintains rigidity while fitting effortlessly into pencil cases or drawing toolkits. Delivering long term durability as both flexible drawing ruler and compact geometry aid for STEM education and professional toolkit. Specifications: Component: Wooden Color: Wood Color Measuring Length: 0-15cm, 0-20cm, 0-30cm, Weight: Approx. 35 Package Includes: 3Pieces Wooden Ruler 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