2-piece math set: Compass and protractor are tools for drawing circles and measuring angles, suitable for students, teachers, engineers, designers, artists, etc. Our compasses are filled with pencil lead instead of pencil; Please note that the lead can break easily. Please use it with care.

Diverse tips design compass: compass is made of stainless steel, sturdy mechanism can hold a radius well; The opposite side of the pencil end is an adjustable separated jaw which allows you to fix the ink or paint

You will receive 1 geometric compass,1 refill case,1 clear case for compass and refill, and 1 180-degree protractor for painting, suitable for students, teachers, engineers, designers, artists, etc

The geometric mathematical compass adopts exquisite technology, the gear of each component is tightly meshed, not easy to loose, the metal sharp Angle of the compass is not easy to scratch, the head of the compass is delicate texture, easy to grasp; Protractor made of ABS plastic material, good toughness, not easy to break

If you receive the product and found the screw of compass is loose, do not worry, it is not a quality problem; The loose screw makes it easier for you to turn the pencil down; You can tighten the screw after using pencil replace divider part