Features: Widely application,professional compass for math,geometry,art,drafting and drawing; creates circles. Easy to adjust legs, great for precise-drawings. Quality material,circle compass drawing tool make of plastic material,durable-sturdy. Package include,math compass with refills set. Wonderful gift,sweet warm gift for friend students family. Specifications: Material:Plastic Package Includes: 1 Set Math Compass note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.