Impact sprinkler heads plastic Durable high-impact polymer and stainless steel construction.Full circle (360 degrees) or part circle (20 degrees to 340 degrees) coverage, with infinite pattern adjustment.Water saving spray guiding arm controls water stream and prevents side splash onto buildings and walkways.Weighted arm for ideal performance in dirty water conditions.Spacing from 7.32m -7.32m .Removable bayonet nozzle for easy cleaning.Includes 4 nozzles (No's 06, 07, 10 and 12).