The Full or Part Circle Impact Sprinkler is designed for medium to large area watering and comes with a 5-Year Customer Satisfaction Policy, so you can be sure your sprinkler is sturdy and dependable. It has brass and stainless steel construction that lasts longer than the zinc construction of many competitors" sprinklers. The diffuser screw that adjusts stream length from a 23-foot to a 50-foot radius gives you maximum versatility and is just one of the unique high-quality features of this sprinkler. The sprinkler"s special grit-proof bearing ensures reliable operation, even with tough use. It features spacing of up to 60 feet apart for high gallonage output. The 3/4-inch male pipe thread connection ensures easy installation and the convenience you want.