MaterialThe showerhead adapter is heavy duty brass for extreme durability, the exterior is chrome plated for an attractive smooth finish and will not rust. Swivel ball joint This swivel ball joint allows you to adjust any angle of the shower head after installation. and the long neck threads prevent the shower head from breaking or leaking. Corrosion ResistantResists heat, salt, acid, minerals and sand in the water. As rust resistant as stainless steel and low maintenance. Super Flow Rate There is no limit to the water transfer rate, the water flow is linked with the on/off valve you adjust, and you can also enjoy a rain shower experience. Easy InstallationThis universal connection fits shower arms and showerheads shower head with standard G 1/2 straight thread. It can be installed in minutes without tools. No plumber required.