The two tiny holes drilled in every BIC pen is to ensure that the air pressure is the same both inside and outside the pen, which helps the ink flow to the tip.

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The two tiny holes drilled in every BIC pen is to ensure that the air pressure is the same both inside and outside the pen, which helps the ink flow to the tip. - Did You Know?

Did You Know?

The two tiny holes drilled in every BIC pen is to ensure that the air pressure is the same both inside and outside the pen, which helps the ink flow to the tip.