1. plastic impulse sprinkler 1/2" male 2. full or part circle watering 3. stainless spring and pin 4. plastic bearing sleeve plastic impulse sprinkler Specification:Item no.Connection sizeOperating pressureJet diameterFlow rateUnit weightQ'ty/cnMEASG.W.LZ60151/2"1.5-2.5KG10.5-18.5M0.3-1.22CBM/H48G200PCS40*26*26CM11.80KG