Easily add lightly-grooved patterned icing to your cakes, cupcakes, pies, and more with this Ateco 13 open 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 an open star tip, you can create shells, stars, fleur-de-lis, rosettes, and flowers. The open star design produces a subtle texture great for a soft presentation. It is also compatible with the Ateco 400 coupler and Ateco 407 coupler, 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. Bringing you innovation and quality for over 100 years, Ateco, an August Thomsen brand, has been internationally known in the industry for creating baking tools of superior craftsmanship and design. By continually improving on tools, materials, and packaging, Ateco is dedicated to providing professional bakers with the kitchen essentials they need to succeed in an ever-evolving industry! Overall Dimensions Opening: 0.32" Bottom Diameter: 11/16"