Durable: The product is made of high-quality brass with a chrome finish. Durable and Corrosion Resistant Easy to install: Product comes with washer,Install washer into movable nut (female thread) and tighten it to complete the installation Change the angle of the shower head: The Elbow Adapter can change the angle of the shower head without restricting the water flow, allowing you to enjoy a rain shower experience Universal thread: Both ends of the product are IPS1/2 thread, suitable for most shower pipes and shower heads Active nut: The female head on the elbow can be freely rotated, and the product can be freely rotated to the best angle.