A set of 24 Stainless Steel Icing Piping Nozzles.

shows a set of stainless steel icing piping nozzles, also commonly known as pastry tips or decorating tips. These tools are essential for cake decorating and are used to create various designs and textures with frosting, icing, or other edible mediums on cakes, cupcakes, cookies, and pastries. 

Here's some information about them:

• Function: They attach to piping bags and feature different shaped openings to produce specific patterns like stars, shells, rosettes, leaves, and more intricate designs.
• Material: The nozzles in the image are made of stainless steel, which is durable, non-toxic, and easy to clean.
• Variety: Sets often include a wide range of tips for diverse decorating possibilities, including round, open star, closed star, petal, leaf, and specialty tips.
• Usage: They are used by both beginners and professional bakers for writing messages, creating borders, filling pastries, and adding decorative elements.