Ray Padula RP-BPSS-D The Pulse Pulsating Sprinkler on Deluxe Metal Step Spike, Brass All brass head construction; heavy-duty, deluxe metal step spike EZgrip deep thread, brass hose coupling; distance control dial and flap; circular spray pattern up to 90-Feet diameter, 5,800-Square Feet Precision molded nozzle; in-series connection spike; 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