Ateco Tube Tip # 9 Writer Round. An Ateco Tube Tip #9 is a popular, versatile, medium-to-large round piping tip made of durable stainless steel, used to create smooth dots, lines, borders, and writing, and to fill pastries like cannoli.

• It is perfect for general cake/cupcake decorating.
• It’s a fundamental “plain tip” for various patterns, often paired with standard bags and couplers for professional results.