Assorted Blending Stumps and Tortillions, 6-count,6-piece Pencil and Pastel Blending Set This pack contains 6 assorted sizes of blending stumps Stumps are excellent for blending and smoothing pastels, charcoal, graphite or any other dry media. Use it to smoothly blend shaded areas, soften lines and blend colors, without using your fingers. Double-ended, pointed and made from soft, compressed paper. Easy to sharpen with a sanding block or a pencil knife Stumps Lenth: 11-14 cm