13 Pieces Math Geometry Kit, Set Metal Compass Geometry Precision Tool Set, Circle Drawing Tools Rulers Protractors for Architects Engineers Students, for Drafting and Drawings

الوصف

Sufficient quantity: You will get a package including 3 graphic compasses, 1 ruling pen, 1 dull locating pin, 1 extension bar safe pin, 2 pencil refills, 1 mechanical pencil. Quality tool sets: The compass kit set is made of zinc alloy steel which is sturdy, durable and easy to carry; The rulers and protractors tool set is made of PS material which is light-weight, clear and heavy-duty. Practical geometry compass set: The protractors feature gradations for easy identification; The robust plastic case is to protect and store these tools in one place in a backpack or desk. Extension beam design: There is an extension beam attached to the big compass for drawing large circles; You can draw a larger circle without lots of measuring and connective dots. Convenient to use: The circle and straight line drafting set is an instrumental helper involving many measurement tools that are needed in drafting and drawing, by architects, engineers, draftsmen, builders, roofers, teachers and students.