18-Piece Geometry Set Includes Plastic Compass, Protractor, Pencil, Compass, Eraser, Pencil Lead Refills Durable Metal Compass Design Resists Bending or Flexing During Use; Ergonomically Designed Compass Head for Comfortable Handling Universal Holder Fits Any Standard-Sized Pencil or Pen; Rulers, Triangles, and Protractor Feature Clear Graduations for Accurate Measurements Comes in a Durable Storage Box for Easy Carrying and Organized Storage Ideal for Students, Teachers, Mathematicians, Architects, Engineers, Artists, and Designers Suitable for Use in Schools, Offices, Homes, or Field Work Material: Plastic Color: Green, Blue, Clear Please Allow 1-2 cm Variation Due to Manual Measurement Product Color May Vary Slightly Due to Monitor Display Differences Package Includes: 18-Piece Math Geometry Set