The protractor for geometry is made of material, and allows for a view of numbers; With the mathematics ruler, you can measure an object easily. A perfect your friends, easy to take to class and to store in the classroom and at home. Just choose it as a school season gift or a Christmas gift. Features -Color:Transparent -Material:ABS -Size(straight):20.80X3.00X0.20cm/8.17X1.18X0.08in -Size(60°):14.20X6.30X0.20cm/5.58X2.48X0.08in -Size(45°):12.20X6.20X0.20cm/4.79X2.44X0.08in -Size(protractor):10.20X5.70X0.20cm/4.01X2.24X0.08in -This Tool is perfect for students, teachers, math experts, architects, engineers, artists, designers at any level. -It’s a good helper for artists, engineers, designers, architects, students and others. -Multi-functional and versatile, it can be used for a variety of fields, such as construction, professional applications, architecture, engineering, school supply, etc. -It will work architecture, score measurement, art design or drawing templates as school work. -Portable and light, easy to store, not taking up any space, thus you can store it in your stationery bag. Package list: 1 x set of rulers