1.21/2" Full or part Circle,Irrigation Sprinkler gun 2.aluminium construction and arm 3.Stainless steel spring, fulcrum pin.. Primary Applications:2-1/2" Full or part Circle,Irrigation Sprinkler, garden sprinkler, sprinkler gunFeatures and Benefits:aluminium construction and armStainless steel spring,and fulcrum pinBrass bearing sleeve Chemicaily resistant washersDual nozzle portsSuperior ...