These packs contain different types of leads for 5.6mm clutch pencils. Each set includes six leads.
The Graphite Set contains graphite in 2B, 4B, 6B, 8B, 10B, and 12B hardness.
The Charcoal Set contains two each of soft, medium, and hard charcoal.
The Classic Art Set contains sepia, sanguine, ochre, burnt umber, white, and black.
The Metallic Set contains silver, gold, bronze, red, blue, and green.