Each Blackwing pencil has one of the four graphite firmnesses from extra firm to soft. While there are no rules for which graphite to choose for your task, here are some details to help. Experiment and find what you like!
Favored by award-winning artists and professionals since the 1930’s, Blackwing pencil has become a legend for it's unique design and high quality materials, which ensure unsurpassed writing and drawing experience.