High pressure water equipment is an for car vehicle cleaning, gardening spray, Labor-saving design: this garden nozzle features a nice lock bar at the top of the handle that keep the water remains on without you having to apply any pressure. just use the clip so you don't have to keep your hand holding it the whole time ,Durable, best choice is that it can be used for a long time. Water flow control: a slide knob allows you to adjust water pressure as you need, and it can help save a lot of water.