4 Pieces Plastic School Set Square Protractor,Trigonometric Protractor

Package Included - You will receive 4 protractors with removable handles, enough for use at home, school, or in the office. Material - The square protractor is made of transparent plastic, flexible, not easy to break or bend, smooth surface, and will not scratch your hand. Accurate Measurements - The small protractor has length units (7 cm to the left and right of the scale), and two angle units (170 degrees). The graduations are clearly visible, making it ideal for drafting, surveying, architecture, and mapping. Easy to Use - The trigonometric protractor has a removable plastic handle that can be inserted into the hole in the center of the ruler, allowing you to comfortably move the ruler while drawing and making it easy to use. Portable - This protractor is small and lightweight, easy to carry, and can easily fit into your school bag, pencil case or other containers.