1. With ball swivel joints that 't crack or leak. 2. Standard /2 connections -- Fits most shower heads and shower arms. 3. This swivel ball allows you to adjust any angle of the shower after installation. 4. Withstands heat, salt, acids, minerals, & grit contained in your water. Rustproof like stainless steel. 5. Shower angle can be adjusted to accommodate both kids and adults, providing perfect shower experience for member.