The Protractor and Compass Set is perfect for both home or school use. Great to keep on hand for projects needing exact measurements. The shatter-resistant protractor allows for both straight edges and perfect circles. The compass can create circles up to 6" in diameter. Set includes 1 protractor and 1 compass with pencil. The compass has an ergonomic ridge for a firm grip. Comes packaged on hanging blister card measuring approximately 4.5" x 8.125".