Makin's Professional Ultimate Clay Extruders have unlimited potential.  Included in this set are 20 different extruder disc designs one can use to create an unlimited number of embellishments using any type of modeling medium. The round discs are commonly used for vines, stems, borders, and letters while the screen discs are used for hair, grass, straw and floral stamens.The flat slot discs are often used for weaving baskets, lattice work, ribbons and bows. The square, triangle, and half round discs are common for bricks, logs, borders, or can be cut and used to make small beads.