.

.
Soft
pencil
This
is a soft graphite pencil 2B. The letters indicate
H-hard
B-
Soft
The
softer the pencil the darker the line.
.

.
Soft
pencil
A
softer pencil is a 5B. With these types of pencils it is difficult
to achieve thin and detailled lines. They softer they are, the more
difficult they are to erase. The black pencils are deeper and you
can acheieve many tones by adding more or less weight to the pencil.