This Staedtler Maths Set contains 8 pieces to help you draw perfect circles, squares and other shapes. There's a pencil, eraser and sharpener included so you'll have everything you need for technical drawing.
There are 8 pieces in this set including a Staedtler 550 55 compass, sharpener, eraser, pencil, 45/90 degree set square, 30/60 degree set square, 15 cm ruler and a 180 degree protractor.
It can draw a circle with a maximum diameter of approximately 300 mm.
The compass length is 124 mm.
The compass has an obtuse angled point to keep it away from you for added safety.