●Size and material: 6 Inch protractor made of plastic, inch marks is up to 6 inch, centimeter marks is up to 15 cm. ●Measuring range: Range of 0 to 180 degrees, and clear color allow you see the words, letters, figures on page through the protractor, it makes measuring easy. ●Geat value: This set includes two 6 Inch(15 cm) protractor, one can use in home, the another use in office. ●Use easily: You can use the geometry protractors to get the angle and length quickly; Easy to carry in bag, pencil case, math tool case, backpack, etc. ●Wide application: Protractor are great for drawing circle and measuring angle, good for students, teachers, engineers, designers, artists, etc.