Its clear design allows for easy visibility of underlying drawings, ensuring accurate measurements every time Made from strong acrylic component, this ruler is lightweight yet sturdy, making it perfect for students, architects, and artists alike Introducing our 20cm clear Acrylic Triangle Ruler, designed for accuracy and clear Whether you ' re drafting plans, completing homework, or working on creative projects, this triangle ruler is an essential tool in your collection The 20cm clear Acrylic Triangle Ruler is the perfect companion for anyone who values accuracy and in their work, Manufacturer: ERRORY