All-in-one Layout: Featuring multiple sizes on the template, the clear plastic design allows visibility through the material, and black markings provide easy readability. Designed for precise workpiece alignment. Heart Templates: Includes 9 heart-shaped woodworking templates with sizes 1/2", 3/4", 1", 1-1/4", 1-1/2", 1-3/4", 2", 2-1/4", and 2-1/2". This complete set meets a variety of needs, allowing you to select the appropriate size for your project. Material: Made from high-quality plastic, the clear protractor ruler set is durable and sturdy, resistant to breaking and cracking. It has a controlled thickness for added strength. The metric system is used, with centimeters as the scale unit and a minimum accuracy of 1 mm. Wide Application: Suitable for use in schools, homes, libraries, study rooms, and offices. A versatile measuring tool ideal for students, artists, designers, architects, engineers, mathematicians, technical professionals, contractors, and educational learning activities.