Unjoo Math Geometry Kit Sets 10 Piece Student Supplies, Compass Set, Black

Package Includes:

1* Shatterproof Plastic Box

2* Graphic Compass

2* Triangle Rulers

1* Straight Ruler

1* Protractor

1* Pencil

1* Pencil Lead Refills

1* Eraser

The rulers, protractor has been clear scaled, you can use it to measure all the thing accurately,more professional and efficient.

How to use compasses:

Open the compasses to the radius desired for your circle.

Place the compass point on a piece of paper where you would like the center point of the circle to be.

Place the point of the pencil/lead on the paper.

Rotate the compass to mark a circle on the paper with the pencil.

Draw without lifting the point of the compass off the paper.