Ray Padula RP-BPZS The Pulse Brass Pulsating Sprinkler on Zinc Spike All brass head construction; heavy-duty, in-series zinc spike Distance control dial and flap; precision molded nozzle; Circular spray pattern up to 90-Feet diameter, 5,800-Square Feet Heavy-duty, solid brass drive arm; water saving, anti-backsplash arm design Grip tite adjustment collars adjust the watering pattern to any part of a circle Lifetime guaranteed satisfaction policy