Make of brass, sturdy and, and designed to leakage, ensuring durability and reliability over time Nozzles feature a flat top design, and the dimensions are clearly printed on the top or side Easy to Use: Simply swap out the existing orifices for the new and connecting to a natural source, to convert natural to, as done changing out all the orifices This set is designed to provide a stable and stable supply, enhancing your cooking whether you ' re a professional or a passionate home cook Uniform thread size and dimensions for all nozzles, with varying bore diameters