BAZIC Semicircular 6" Protractor for School, Home, or Office Supplies BAZIC SEMICIRCULAR 6 PROTRACTOR. This plastic protractor allows you to measure from 0 to 180 degrees. With a 6 ruler and easy to read measurements, this protractor is an office & school essential EASILY IDENTIFY ANGLES. This semicircular protractor is a must-have for students in Geometry working on tests and homework. Easy to use and easy to carry, fitting in school backpacks with no problem REPUTATION + RELIABILITY. BAZIC Products has been offering uncompromised quality in school and office products since 1998. Dedicated to continuous improvement, we are proud to be an ongoing industry-leader TRUE TO OUR VISION. By focusing on the integrity of our products and satisfaction of our customers, weve built a brand you can trust. We use customer insight to guarantee solutions to fit your needs SOLD & DISTRIBUTED IN THE USA. Working with trusted factories, we ensure our products are up to the highest standard before sending to customers. Each item is shipped out of our headquarters in Los Angeles, never leaving until were satisfied with our product integrity