Cake Decorating Tube Tip 840 - Create deeply-grooved icing patterns on your cakes, cupcakes, pies, and more with this Ateco 840 5/32" closed 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 closed star tip, you can create shells, stars, fleur-de-lis, rosettes, and flowers. The closed star design produces a defined texture for eye-catching bakery decorations. Plus, its small size is perfect for adding intricate details to confectionary creations. It is also compatible with the Ateco 402 coupler and Ateco 407 coupler using the 7/8" coupler ring, making it easy to switch tips without changing the pastry bag. 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: 0.26"