About This

• The compass set is perfect for students, teachers, math experts, architects, engineers, artists and designers of any level
• Zinc alloy compass, accurate circular drawing, novel style.
• The sharpener sharpens the pencil so that it maintains a smooth, continuous lead.
• Thicker ruler, innovative design, accurate scale line, won't fall out. It is stronger and more durable than ordinary thin posts.
• Resin pencil, write smoothly.
• High precision, easy to use and durable enough to meet the demands of everyday life.