A sharp pencil is critical in all marking situations, especially when doing joinery. This mechanical pencil comes with a two-hole sharpener for different lead sizes. It uses 2.0mm leads and included 6 replacement leads. The grip jaws are easily advanced with the thumb button, inside which is an eraser. The standard sized refills come in different colors and are sold separately. And to help avoid losing it, the pencil has a handy pocket clip.