Folding Ruler with Protractor, 30cm Length, Metric Graduation, 180 Degree Angle Measurement

DUAL MEASUREMENT: Features precise centimetre and millimetre graduations for accurate metric measurements up to 30cm in length PROTRACTOR FUNCTION: Integrated 180-degree protractor allows for precise angle measurements and geometric calculations COMPACT DESIGN: Folds neatly for convenient storage in pencil cases whilst maintaining professional-grade accuracy VERSATILE USE: Perfect for mathematical calculations, technical drawings, and geometric measurements in educational settings DURABLE CONSTRUCTION: Sturdy folding mechanism ensures reliable performance and maintains measurement accuracy over time