Description
A range of 15 key grades of hardness, that covers the majority of professional requirements in fine art, graphic and architecture.
9B / 8B / 7B / 6B / 5B / 4B / 3B / 2B / B / HB / H / 2H / 3H / 4H / F
A range of 15 key grades of hardness, that covers the majority of professional requirements in fine art, graphic and architecture.
9B / 8B / 7B / 6B / 5B / 4B / 3B / 2B / B / HB / H / 2H / 3H / 4H / F