These Orbit 55662 Voyager II Gear Drive Pop-Up Sprinklers are a convenient way to keep your lawn and garden hydrated. They deliver a 40 degrees to 360 degrees adjustable arc or full circle versions for fast, hassle-free adjustment, wet or dry. These gear drive lawn sprinklers cover a radius of 20' to 45', making it ideal for just about any residential yard or garden. They offer a universal fit that replaces most brands of gear heads. Each set of Orbit 55662 Voyager II Gear Drive Pop-Up Sprinklers includes 12 nozzles.