• The package includes 2 high-quality professional compasses, an extension beam, interchangeable attachments and a slip handle for pens, pencils, stylus or markers.
• Great for math, geometry, art, drafting, and drawing, creates circles up to 20 inches in diameter
• Precision geometry compass with spring bowhead and center wheel prevents unintentional leg movements
• Packaged in a clear, reusable box. Easy to carry and store