Ateco # 824 - Open Star Pastry Tip .38'' Opening Diameter- Stainless Steel 3/8" wide piping tip Made of durable, rust-resistant stainless steel Open star cut produces lightly-grooved icing patterns for forming shells, stars, fleur-de-lis, rosettes, and flowers Perfect for enhancing dessert presentation Great for decorating cakes, cupcakes, cookies, and more