ITEM NAME:20 Discs Aluminium Alloy Rotary Polymer Gun Cake Modeling Tool Sugarcraft Kit 20 Discs Ultimate Rotary Extruder Polymer Clay Gun Cake Modeling Tool Sugarcraft Kit SPECIFICATIONS.(Material: Aluminium alloy. 2) The product is a simple and practical clay gun extruder tool, which is made of durable Aluminium alloy material to use. Gun Color: Green. 20 x Extrusion Discs. 3) Equipped with 20 interchangeable discs for creating many different shapes.