Drawing Compass 9 Pieces Math Geometry Kit Ser

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 rulers, triangles and 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