You would then slide the ruler's inner section all the way out to the right. That section has the last 2 cm of the ruler on its right-hand end, leaving the main body of the ruler 10 cm long.

So first of all, yes, the Pivot X is a ruler. When folded up, it can be used to measure items or draw lines up to 7 cm (2.8 inches) in length. Extending its fold-out arm boosts that figure to 12 ...