The heavy metal base of the Melnor Heavy-Duty Pulsating Sprinkler provides a steady platform for watering large lawn areas up to 5600 square feet that will cover most lawns. The rust-proof design will provide years of service, usefulness and durability that you will enjoy. This garden pulsating sprinkler has an adjustable spray pattern so you can choose the one that will best help you reach the areas of your garden that need water the most. It also has a durable all metal sprinkler head that will last for a long time to come. It is a sturdy product that will get your yard soaked thoroughly to promote the growth of grass and other plants even in dry, arid weather conditions.