Description The ruler is made of plastic for easy measurement. Convenient and easy to apply to draw precise patterns, and can also accurately measure the length of things. School math ruler are given as gifts for students to start math learning and drawing.- professional geometry protractor Features -Color:Transparent -Material: -Size:30.00X3.00X0.10cm/11.79X1.18X0.04in(Straight Ruler) -Size:19.50X11.30X0.10cm/7.67X4.44X0.04in(60° Triangle Ruler) -Size:14.00X14.00X0.10cm/5.51X5.51X0.04in(45° Triangle Ruler) -Size:10.30X6.30X0.10cm/4.05X2.18X0.04in(Protractor) -It can be used in school, office, home or at work, anywhere and whenever you need to use it.- office supply -Fine craftsmanship and stable material ensure that it won't fade or rub off during use.- student stationery -Suitable for art design, score measurement, building templates, architecture, network technology, and drawing.- school geometry protractor -Ergonomically designed anti-skid ruler makes it hold comfortably.- students drawing tool -High transparency and durability of the plastic material to ensure a long time of use.- protractor for geometry Compact size and light weight, portable for students to carry it for school use.- drawing triangle ruler Fine craftsmanship and stable material ensure that it won't fade or rub off during use.- math measuring tool It helps you to improve working efficiency and save time with drawing and measurement projects.- ruler and protractor High transparency and durability of the plastic material to ensure a long time of use.- professional drawing triangle ruler It is not easy to break, so enough to accompany by you through many years.- protractor