Rain Bird 65PJADJ-TNT 1" Riser Mounted Full or Part Circle Impact Sprinkler Proven impact drive Long-wearing TNT bearing Straight-through flow for superior performance in dirty water Full-circle or adjustable arc 20 to 340 Precision Jet tube (PJ) minimizes side splash Stainless steel distance control diffuser pin allows up to 25% radius reduction Rugged brass, bronze and stainless steel construction.