About This

• One high quality professional compass and one protractor perfect for math
• Precision geometry compass with spring bow head and center wheel prevents unintentional leg movements. Easy to adjust legs, great for precise drawings
• All metal, nickel plating compass，6-inch protractor made with transparent clear plastic, accurate and long-lasting prints。
• 2 Piece math set:，compass and protractor are great for drawing circle and measuring angle, good for students, teachers, engineers, designers, artists, etc.; Our compasses use pencil lead refills instead of pencils; Please note pencil lead refills are easy to break, please use them gently.