Bettomshin Teaching Protractor, Geometry Measurement Tool，Plastic Non-Magnetic Protractor，Angle Finder 0-180°，50cm / 19.7-inch Round Measuring Ruler Tool for Whiteboards and Chalkboards 1Pcs

Bettomshin Teaching Protractor, Geometry Measurement Tool，Plastic Non-Magnetic Protractor，Angle Finder 0-180°，50cm / 19.7-inch Round Measuring Ruler Tool for Whiteboards and Chalkboards 1Pcs

• 【Dimension】- Measure angle: 180 degrees；Measure length：50cm / 19.7-inch; Material: Plastic
• 【High Quality】- This protractor is made of quality plastic,with clear engraving scale,easy to read, durable and convenient to use.Can withstand multiple drops in a classroom environment.
• 【Easy Operation】- The combination of ruler and protractor 2-in-1 design.Makes it can measure length by fixed ruler 0-50 cm/ 0- 19.7inches.By moving ruler, semicircular protractor at the top can measure from 0-180 degrees.
• 【Design】- Designed for the classroom.This oversized large protractor is perfect for teaching a class when using a whiteboard. It includes which will help position the protractor while drawing, as well as an ergonomic handle to ensure accurate drawings can be made.
• 【Practicality】- This jumbo tool ensures easy demonstration of math, engineering and geometry concepts. Use it to teach measurements, angles and shapes.Perfect for art, which requires exact shapes. This handy, geometry tool is perfect for creative classrooms.