This sprinkler is designed to be used either as a single sprinkler or connected in a series. It is completely adjustable to cover a radius up to 80 ft., in a full or partial circle. The head is made of plastic, while the spike is zinc. Area coverage - up to 80' diameter Completely adjustable full or part circle Durable plastic head construction Spike base can be connected in a series Deflector shield Anti-back splash arm