Introduction to Pencil types
You don't need a lot to get started on this course, any paper or pencil will do. However there are some certain types of pencil that will give you different results. Baiscally there are two graphite (graphite is also another name for lead) grading scales which are used to measure the hardness of the pencil. Softest Lead Pencil = 9B - For thicker black lines.Hardest Lead Pencil = 9H - For faint lines.From hardest to softest: 9H | 8H | 7H | 6H | 5H | 4H | 3H | 2H | H | F | HB | B | 2B | 3B | 4B | 5B | 6B | 7B | 8B | 9B.HB stands for - Hard & Black.