18-Piece Geometry Set Includes: Plastic Compass, Protractor, Pencil, Compass, Eraser, Pencil Lead Refills Durable Metal Compasses Will Not Bend or Flex During Use; Ergonomically Designed Compass Head for Comfortable Handling; Universal Holder Fits Any Standard-Sized Pencil or Pen; Rulers, Triangles, and Protractor Feature Graduations for Easy Measurement Comes with a Durable Storage Box for Easy Carrying and Organization Ideal for Students, Teachers, Math Enthusiasts, Architects, Engineers, Artists, and Designers at Any Level Suitable for Use in School, Office, Home, or Field Work Material: Plastic Color: Green, Blue, Clear Note: Please Allow 1-2 cm Slight Measurement Deviation Due to Manual Measurement. The Actual Color May Vary Slightly Due to Monitor Display Differences Package Includes: 18-Piece Math Geometry Set