1. 【METAL STRUCTURE】: The rotating ball adapter made of sturdy brass with durable and rotating ball joints, offers much higher performance (high heat and pressure resistance) and durability than plastic. It can serve for many years. 2. 【CONNECTION】: Standard G 1/2 connection (20 mm), suitable for most shower heads and shower arms. 3. 【ROTATABLE】: With this swivel ball, you can adjust the head shower to any angle after installation. The shower angle can be easily adjusted to suit children and adults and offers every family member a perfect shower experience. 4. 【CORROSION-RESISTANT】: Resistant like stainless steel to water, salt, acids, minerals and sand in water. Industry leading chrome polished finish that withstands daily scratches and corrosion. 5. 【 PACKAGE INCLUDES】: Ball joint for rain shower head x 1, rubber seal x 1, filter x 1. No tools required. You can assemble the cone joint for rain shower in a few minutes without tools.