Uncarded Number 18 seamless stainless steel Open Star nozzle. Ideal for stars, drop flowers, shells, rosettes and decorations with many edges. Dimensions: Tip diameter: 6.6 mm Base diameter: 18 mm Height: 32 mm All nozzles work with disposable, fabric and parchment piping bags. 7 Points on the head of nozzle. Made from high quality stainless steel. Hand wash in warm soapy water. .