A set of 3 Richeson tools stomps sizes #2, #4, and #6. They are made from soft grey paper that is spiral wound. You can use either end to blend pastels or charcoal. They are big and easy to work with for artists of all skill levels. They can be easily sharpened with a sanding block. They create nice and clean edges and they cut like butter. They are excellent in quality and they hold up will over time. They can be sanded or sharped repoint them if they start to become dull. You can also remove prior colors by sanding or sharpening them.