Package Content The set includes 2 pcs of 360-degree circular rulers, providing plenty of what you need for daily use. Perfect for sharing with friends, classmates or coworkers, it's a must-have tool for the classroom, office and creative projects. Quality Materials: Circle Protractor Ruler is made of high quality plastic, which is sturdy and resistant to breakage, ensuring durability and long life. The clear black scale is easy to read, making it easy for students and professionals alike to take accurate measurements. Multifunctional Use: The circular rulers are perfect for design, architecture, engineering and educational use for schoolwork, home projects and professional tasks. Its versatility makes it a must-have for students and professionals in all fields. Friendly Design: This 360 Degree Angler Plastic Ruler features an easy-to-read scale with a transparent design and built-in pointer. Its professional design makes it perfect for artists and designers, providing accurate measurements for every use. Compact Size: The clear plastic protractor ruler measures 12cm (4.72 inches) and is lightweight and portable. Fits easily into any pencil case or school bag, ensuring that you are always ready to meet your needs with quick measurements and accurate calculations., Manufacturer: Tabanzhe