Sofft Tools are re-usable artist quality tools, specifically created for use with PanPastel Colors. They can be used as traditional painting knives or when used with Sofft covers they transform into absorbent tools, capable of carrying and releasing colour in a unique way. These tools can also be used with other water-based art materials to create new and exciting techniques, marks and effects. Knife Set (4 knives & 8 covers)