This Orbit cut-off riser easily cuts for desired length. It is durably constructed of flexible plastic specially designed for constant bending without breaking. This flexible riser is used to connect watering system pipes to garden sprinkler heads. Ideal for do-it-yourself sprinkler systems, this flexible cut-off sprinkler riser measures � inch by 4 inches. This sprinkler riser is easy to use, cut and install to provide many years of dependable lawn watering. Features and Benefits: Measures 3/4 inch by 4 inches, Cuts to any desired length, Flexible plastic bends and does not break, Connects lawn sprinkler heads to underground irrigation system pipes, Not for use under continuous pressure.