High-impact, heavy-duty polymer construction. Double weighted arm for slow rotation and better watering coverage. PJ arm controls water stream, avoids water waste and side splash. Straight through flow for superior performance in dirty water conditions. Full (360 degrees) or partial circle (20 degrees to 340 degrees) operation. Pressure range: 25 to 50 psi (pounds per square inch). 1/2 In. male bottom pipe thread. Carded.