its a variety of widths and sizes, and its is made by many brands and fro shapes. You can buy for sketch and drawing pencils set, with Some of these sizes coming in a set, a sett or a box of pencils, or you can buy drawing pencils individually to create a set of your own to fulfil your own needs.
There are many artists selecting using a common HB pencil to draw lightly an outline, and then filling it in and creating the correct look with a varied supply of pencils . Different pencils can be used to create many shades, definition or texture,
if you’re drawing a complex image there is no doubt that you will bring many pencils