IdemSmile Blackboard Protractor – Large Durable Protractor for Classroom & Technical Drawing

Enhance your teaching or drafting with the IdemSmile Blackboard Protractor, designed for clear, precise angle measurement on large surfaces like blackboards and whiteboards. Its robust construction and large size make it ideal for classroom demonstrations, geometry lessons, and technical drawing.

Perfect for educators, students, architects, and engineers who need a reliable tool for measuring and drawing angles visibly in group settings.

Key Features:

• Large size – easy to see from a distance

• Durable material – built for frequent use on blackboards and whiteboards

• Precise angle markings – accurate measurement from 0° to 180°

• Ideal for classrooms, workshops, architecture, and engineering training

• Lightweight and easy to handle during lessons or presentations