hardness

20+ Best Best Pencil Hardness For Watercolor Sketching Mechanical Pencil for Beginners Drawing from mechanicalpencilforbeginnersdrawing24.blogspot.comWhat Is Pencil Hardness? Pencil hardness is a measure of the blackness and intensity of a pencil's mark. It is also used to determine how durable a pencil's mark will remain over time, since the harder the graphite, the longer … [Read more...] about Drawing Pencil Hardness