Package including : 4 inch 360 Degree Plastic Circular Protractor 5 PCS . Color: Light blue color protractor and light red color protractor, 2 colors are sent randomly . Application: This protractor measures 0 to 360 degrees left to right and right to left . Feature: 360 ° protractor is perfect for measuring angels greater than 180 degrees . Use: This protractor for geometry is easy to read inch and centimeter, double scale ., Manufacturer: LYHLYA