The Mont Marte Eraser Pencil Set has a 4mm white eraser strip inside the pencil body there is an eraser at one end and a taklon brush at the other side.
The Arteza Professional Drawing Set creates different levels of darkness with soft pencils ranging from 3B to 14B or make light initial sketches with hard pencils from 4H-B. Work on charcoal studies with 1 white and 3 black charcoal pencils.