About This

• Applicable people: It is a tool helper for architects, engineers, draftsmen, construction workers, roofers, teachers and students, etc. to participate in various measurement tools required for drawing and drawing
• 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.