Faber Castell - Mathematical Instrument Set - 4pcs

Faber-Castell Mathematical Drawing Tools Faber-Castell 163504 Set of 4 math drawing tools Faber-Castell 163504 includes straightedge, protractor and right angle ruler , made of lightweight and durable plastic. Transparent plastic material can see through the ruler, smooth surface should be easy to clean when dirty, for long time use. The product does not contain harmful ingredients, ensuring safety for users' health, especially children. The digits and measurement lines have high accuracy, making measurement and calculation work more efficient. Rounded corners, smooth edges and surface, safe to use. The colors and numbers are clearly printed, hard to fade, making it easy to see