Cake Decorating Tube Tip 363 - Add fine, deeply-grooved icing patterns to your cakes, cupcakes, pies, and more with this Ateco 363 french star pastry tube. Made of durable stainless steel, this tube is rust-resistant and designed to withstand repeated use without bending out of shape. Featuring a french star tip, you can create shells, stars, flowers, and scalloped designs. Plus, its medium size is perfect for icing confectionary creations quickly and efficiently. Using the right sized pastry tube for the job will enhance your presentation to draw patrons' attention to your display cases and plated desserts. Overall Dimensions: Opening: 0.25" Bottom Diameter: 11/16"