This item was used when I was a student. There are stains and scratches. Please check the photos and only purchase if you understand the condition. A drafting template set with multiple circle sizes and angle measurement functions. - Drafting template colors: Green, Blue - Angle measurement function: Allows measurement of angles and slopes - Drafting template shapes: Circle, triangle, and straight line guides - Sizes: Circle templates in multiple sizes - Uses: Drafting, design, and mathematical calculations Thank you for viewing.