One extruder, many uses! Create a wide variety of embellishments for your projects using the 19 included discs. Create vines, stems, borders, and letters with the round discs; hair, grass, straw, and floral stamens with the screen discs; basket-weave, latticework, ribbons, and bows with the flat slot discs; and bricks, logs, borders, and small beads with the square, triangle, and half-round discs. The Clay Extruder is easy to clean, and should only be used with pre-softened clay Use it for decorative effects. Each disc measures ½" (13 mm) in diameter.