Ray Padula RP-BPHB The Pulse Pulsating Sprinkler with H-Base, Brass All brass head construction; guaranteed no-tip, ribbed "H" base; circular spray pattern up to 90-Feet diameter, 5,800-Square Feet EZgrip deep thread hose coupling; distance control dial and flap; precision molded nozzle In-series connection base; 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