*This Nozzle doesn’t require you to hold down a handle for water to flow or fumble with flimsy stops to set a flow rate. With this nozzle, simply turn the nozzle to your desired water flow and it stays constant without any more effort on your part. *Adjustable spray rotates from a light stream to a powerful stream, these garden hose nozzles are great for watering gardens, car washing, deck, siding & driveway cleaning and more. *This hose nozzle is made of solid brass which makes it durable and rigid, it will never rust. It is compatible with all standard garden hose connections and lasts a lifetime. *It is a flow controller to make your water flow as large as possible, but it is not a pressure booster *The water spray gun nozzle is suitable only for a 1/2 inch hose pipe. The brass textures ensure the same. We can adjust the water flow for the rain sprinkler or shower fountain by twisting the flow control knob.