Helix - Swing Arm Protractor - 180 Degree Rotation

About this item

• ACCURATE ANGLE MEASURING: Integrated swing arm rotates 180° for precise angle measurement.
• IDEAL FOR LEARNING: Great for younger students learning about angles.
• DUAL-GRADUATED CURVE: Protractor features dual-graduated top curve for versatility.
• SHATTER-RESISTANT: Made with shatter-resistant materials for safety.
• TRANSPARENT DESIGN: Transparent plastic for clear measurements.