A professional line of nozzles to use without the coupler. Open ?Sultane? Piping Nozzle is specialty designed pastry tips for meringues, icing pastries and desserts. These unique tips create a round icing ring with a hollow center. The inner tip creates a hollow center with a shelled border, perfect for meringues, buttercream, cupcakes & more. A professional line of nozzles to use without the coupler. Open ?Sultane? Piping Nozzle are specialty designed pastry tips for meringues, icing pastries and desserts. These unique tips create a round icing ring with a hollow center. Material: Stainless steel without welding points.