"This 10-piece set of blending stumps and tortillons is ideal for use with graphite, charcoal and pastels. Supply your passion for art with the right tools. This 10-piece set of blending stumps and tortillons is ideal for use with graphite, charcoal and pastels. Details: 4 blending stumps (1/8\", 1/4\", 3/8\", 7/16\") 6 totillons (2 each 3/16\", 1/4\", 5/16\") | Blending Stumps & Tortillons by Artist’s Loft™ By Artist's Loft in White | Michaels®"