Metal Construction: The swivel ball adapter is made of heavy-duty brass with a durable swivel ball joint that offers superior performance (high heat and pressure resistance) and durability compared to plastic. It can work for many years. Connections: Standard G 1/2 (20 mm) connection for most shower heads and shower arms. Includes Teflon tape. Total Length: 58.31 mm (2.3 inches). Swivel: This swivel ball allows you to adjust the shower head to any angle after installation. The shower angle can be easily adjusted, suitable for children and adults, providing the perfect shower experience for every member of the family. Corrosion Resistant: Resistant to water, salt, acids, minerals, and sand in the water like stainless steel. Industry-leading polished chrome finish resists daily scratches and corrosion. Package includes: shower head ball joint x 1, Teflon tape x 1, rubber gasket x 1, filter x 1. One-piece, tool-free assembly. You can assemble conical rain shower fittings in minutes