Gardena 8143 4,800 Square Foot Turbo Drive Sprinkler On Base Sturdy plastic sled with 3 metal inserts for high stability. Ready to connect up with GARDENA System Connector and end cap. Several sprinklers can be installed in a row Even water distribution thanks to 2-zone watering and specially shaped deflector. Specially arranged adjustment rings for simple, fine range selection from 25-degrees - 360-degrees.