... skin zinc alloy rocker arm pop-up sprinkler with adjustable spray angle Application:Apply for grassland, airport, stadium, golf ground or ... skin, zinc alloy rocker arm sprinkler inside. High strength of spray, head of rocker arm is impact-resistant and all parts ... 1027 0596 / 0086 138 0884 1980 Irrigation Spinklers for Landscape, Lawn Sprinklers, Water Nozzles for Green Belts