IN 22 Wooden Pencil10H,9H,8H,7H,6H,5H,4H,3H,2H,H,F,HB,B,2B,3B,4B,5B,6B,7B,8B,9B and 10BA smooth writing feeling, breaking hard to pencilBeginning with the artist the drawings and pencil drawing, it is 22 hardness set for designers.Beginning with the artist the drawings and pencil drawing, it is 22 hardness set for designers.