https://pixelbuddha.net/brushes/1326-pencil-photoshop-brushes

• Make sure to have your tablet charged and stylus pen working properly before diving deep into the sea of creative opportunities with these 50 brushes for Photoshop. And it's not strictly about sketching: the tools are suitable for different kinds of experiments with illustration!
• The major advantage of this set is hidden in the variety of forms included in the collection. Basically, you get yourself the whole pack of lead pencils: hard and soft, made as sketching and stippling-ready ones. The set is convenient to use, it fulfills all creative needs of a graphic designer, and is seasoned with antique art approach.