The limited edition Apple Number 2 Pencil transforms Apple's 2nd-gen stylus into a facsimile of a standard HB #2 pencil, with the only thing missing being chew marks on the eraser. "What sets it ...

No.2 pencils are widely used, but you may not know what the number actually refers to. This video explains how pencils developed into their modern form and the significance of the labeled numbers.