[mothered]

Yes, around 21 grams. The box is fully enclosed like the Airpods, cannot see inside.

Perfect.

You can simply say that you opened the box, and the pencil was not enclosed.

My thought was if the Airpods pro has a high success rate with the missing item method, then another Apple product that's half the price and weight should be easier?

Absolutely, namely due to Its weight at only 21 grams.

The majority of shipping scales don't Increment that weight- specifically.

But the pencil's box is 6 inches longer.

It doesn't matter.

As per above, you'd tell the rep that the pencil Is missing.