HCSC 20 IN 1 Stainless Steel Crowded Mud Machine Polymer Clay Fimo Extruder Craft Gun Cake Fondant Sculpture Decorating Tool Set Material: Stainless Steel? Length: 9.6cm Width: 5.5cm Bottom Outer Diameter: 2.2cm Bottom Inner Diameter: 1.4cm Used for many craft projects such as polymer clay, ceramic clay, pastry, bread dough, sugar paste