Helix Swing Arm Protractor 180 Degree Rotation - Ideal for Students - Classroom Angle Measurement - Precise Angle Measurement - Shatter-Resistant, Dual-Graduated, Transparent Design

PRECISE ANGLE MEASUREMENT - The integrated swing arm rotates 180° for super accurate and easy visual angle measuring, making it perfect for students and professionals alike.

SHATTER-RESISTANT SAFETY - Crafted with shatter-resistant materials, this protractor ensures safety during use, making it ideal for younger students learning about angles.

DUAL-GRADUATED VERSATILITY - Features a dual-graduated top curve, allowing for versatile angle measurements from left to right or right to left, enhancing its usability.

TRANSPARENT FOR CLARITY - Made from transparent plastic, this protractor allows for clear and precise measurements, ensuring you can see exactly what you're measuring.

INTEGRATED RULER FUNCTIONALITY - Equipped with integrated 6” & 10cm rulers, this protractor offers additional functionality for measuring straight lines and angles.

Swing arm protractor rotates 180°, helps accurately draw and measure angles. Measure angles from left to right or right to left. Easy-to-read inch and centimeter marks. 6" & 10cm ruler integrated at the bottom. Made of translucent material to easily see what you are measuring. Shatter-resistant material for safety and longer durablility. Beveled edges for easy lift and manipulation. Ideal ages, eight and up. Assorted colors (Blue, Teal, & Grey).