Ateco 880 Nickel Plated Steel St. Honore Cake Decorating Tube Made of durable, rust-resistant stainless steel Triangle shaped cut is ideal for piping icing for St. Honore cakes Great for decorating cakes, cupcakes, and cookies Tip Diameter: 1/2" Base Diameter: 1 1/8" Height: 2" Piping tip designed fordecorating cakes, cupcakes, and cookies