4PC 360 Circular Protractor Plastic Round Ruler Template With 16 Circles For School Home（Color Random） Features: Swing arm protractor: a wonderful for your family, friends and co-workers who need a template ruler. Scale drafting tool: this protractor is suitable for drawing, architectural design, woodworking, angle and length measurement, etc. Math geometry protractor: small in size and light in weight, easy to carry it in your bag to use it anytime and anywhere. Scale drafting tools: it is manufactured with premium material, to ensure its durability and practicability. Protractor for geometry: specially designed for people who need to measure size, draw, design or something. Product Description: Material: Made of plastic material. Size: 11.5cm/4.52inch. Color: blue, green, yellow, red. Features: The 360 Circular Protractor is lightweight, It is easy and handy to be put into your school bags or in your desk. They are good for students in school use. These 360 Circular Protractor are useful tools for engineers, artists, designers, architects, students, teacher, etc. PS：Color random Master circular measurements with this 360-degree protractor featuring 16 precision circle templates The clear plastic design allows accurate positioning over drawings and technical plans Perfect for geometry classes engineering drafts woodworking layouts and artistic compositions Includes standard circle sizes from small detailing to large format applications Essential tool for students designers architects and DIY enthusiasts