Green Thumb, Metal Pulsating Spike Sprinkler, Water Coverage Up To 5,800 SQFT, 86' Diameter, Provides Full Or Partial Coverage, Impulse Arm Saves Water By Eliminating Back & Side Splash, Diffuser Screw Allows Easy Fingertip Adjustment Of Water Stream For Even Coverage, Long Lasting Brass & Zinc Construction On Impulse Head, Heavy Duty Die Cast Zinc Tri Spike Base, Carded.