St. Honor cake is named for the French patron saint of bakers and pastry chefs. This special tip allows you to create their signature piping design. For enhanced control, versatility and neatness, use tips with its matching Coupler (sold separately). Coupler allows the decorator to change similar sized tubes without emptying the contents of the Pastry bag.Works with any kind of pastry tube, including folded parchment, canvas and plastic.Rust Free. Carefully Crafted. Seamlessly Manufactured. Extremely Durable/Non-Malleable. Great Performance/Better Results.