The Orbit 57199 1-inch swivel adapter attaches 1-inch water sprinkler valves to an Orbit valve manifold. It has a 1-inch male threaded end and a 1 �-inch female buttress swivel. This swivel design allows attachment and tightening to occur effortlessly and quickly without any special tools. This adapter connects, expands or repairs preassembled inline manifolds easily. For easy valve manifold assembly, this Orbit 57199 1 inch swivel adapter is simple to use and allows fast connection to Orbit sprinkler manifolds. Features and Benefits: Has 1-inch male threading and a 1 �-inch female buttress swivel, Swivel design allows for tool-free attachment, Repairs, expands or connects to preassembled valve manifolds, Durable, UV-resistant construction allows for many years of use.