Rain Bird 52SA Simple Adjust Stainless Steel Gear Drive Rotor, Adjustable 40&deg; - 360&deg; Pattern, 25' - 50' Spray Distance Water-lubricated, durable gear-driven rotor with stainless steel shaft for a longer life Water-saving Rain Curtain nozzle technology produces large wind-resistant droplets and more uniformity Easy top arc adjustment; requires only a flat-bladed screwdriver Adjustable 40 to 360 part-circle and reversing full-circle rotation in one; 25'-50 spray distance Quick check arc/fast forward feature allows you to check or set arc while sprinkler is running True 4" pop-up height clears taller grass Protected closed-case design; ideal for creeping grasses, sandy soil and other harsh surroundings