'Pen' in the Bible

For most certainly, I tell you, until heaven and earth pass away, not even one smallest letter or one tiny pen stroke shall in any way pass away from the law, until all things are accomplished.

But it is easier for heaven and earth to pass away, than for one tiny stroke of a pen in the law to fall.

I had many things to write to you, but I am unwilling to write to you with ink and pen;