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.

More clay in the mixture makes the lead harder. A harder lead has a higher number. Pencils are numbered from 1-3 but most people use a number 2. Harder lead makes a lighter mark and softer lead makes ...

One 24-count pack of BIC Xtra-Strong Mechanical Pencils With Erasers Thick lead ... makes these pencils ideal for sharing The perfect number 2 mechanical pencils for school supplies ...