sprinklers are made of high quality ABS plastic. This durable L awn sprinkler is corrosion resistant, will not rust, and will provide long-lasting, worry-free performance. Super sprinklers for yard, lawn Irrigation,garden watering,360 degree rotation. These water sprinkler for lawn can be used as fun sprinklers for kids to play and cool off on hot and sunny days. 3-Speed adjustment: you can adjust it according to your needs,, 90°-180°-360° at will, save water, even water layer, delicate water drops, protect flowers and plants from harm. Simply connect the hoses to the quick hose couplings and then to the lawn sprinkler system and attach to the ground with long nails to complete the installation. Automatic constant 360-degree rotating beam, no other auxiliary power unit required. Sprinkler with 1/2 inch quick connector as one set.Connectors suit hose inner diameter size between 13mm-15mm. 360° Rotation Auto Irrigation System Sprinkler with 1/2 inch quick connectors.,Adjustable Garden Sprinkler for Garden Lawn Yard Outdoor