MAKIN'S-Makin's Professional Ultimate Clay Extruder. This clay extruder has many uses and can be used for all types of clay including polymer and metal clay. With the ten different disc designs included you can create many different embellishments for your projects. The extruder is made of stainless steel and measures 4x4x1 inch. Each of the design discs has a 3/4 inch diameter, the exact size of the design varies from shape to shape. This package contains one clay extruder, ten design discs, and one cleaning rubber ring. Imported.