Adjustable Gear, Premium Stainless Steel Rotor, Rugged Design With Stainless Steel Shaft For Longer Life, 25'-50' Spray Distance, 4" Pop Up To Clear Tall Grass, 3/4" Inlet, Rain Curtain Nozzle With Enhanced Micro Ramps For Close In Watering, Full & Part Circle In 1 Sprinkler, 40-360 Degree Adjustable Part Circle Pattern, Water Lubricated Gear Drive Design For Durable Reliable Operation.