But what is the blue part of the eraser really for?

But What Is the Blue Part of the Eraser Really For?

The Mystery Behind the Two-Toned Eraser — Solved!

If you grew up using pencils, chances are you’ve come across one of those classic two-toned erasers — usually pink or orange on one end and blue on the other. You probably used the pink side without thinking twice, but at some point, someone likely told you:

“The blue side is for erasing ink!”

Sounds useful… but did it really work?

Let’s finally settle the debate and explain what the blue part of the eraser is really for — and why it might not be what you were told.