Green Thumb, Poly, Impulse Sprinkler On Metal Spike, 5,800 SQFT Coverage, Provides Full Or Partial Coverage, Patented Impulse Arm Saves Water By Eliminating Back & Side Splash, Diffuser Screw Allows Easy Fingertip Adjustment Of Water Stream For Even Coverage, Impact Resistant, Rust Resistant Polymer & Stainless, Durable Metal Wing Spike.