Made of brass: strong and rust resistant and durable material that can last for a long time Suitable for fountain spraying, agricultural irrigation, industrial irrigation, roof cooling, pesticide spray irrigation, bridge, road irrigation, etc. The new copper nozzle can adjust the water mist and water column, which is practical and convenient! The normal spray diameter of each nozzle is about 0.5-0.8 meters in the atomized state. Affected by the water pressure, the water pressure may be larger if the water pressure is large enough, and the water pressure may be smaller if the water pressure is small. Note: 1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm error due to manual measurement. Comes with: 15 x copper fountains4/7mm