Many sprinklers and especially impulse sprinklers have a lot of water pressure behind them. You need a base for that sprinkler that will not tip over regardless of the water pressure. The Yard Butler Ring Base Sprinkler Stand’s 15 inch diameter base made from 5/16ths inch steel make this the most stable， portable impulse sprinkler base on the market. Accommodates any ½ inch sprinkler head. The heavy duty powder coated steel is guaranteed to last a lifetime