Advantage: Shower arm extension has a rotating elbow which facilitates the positioning of an elevated shower head horizontally overhead to achieve maximum shower coverage. Feature: Handheld shower head, the using angle is more suitable for human shower. The shower hose extension has beautiful appearance, noble and generous. G1/2 "thread, international universal. Simple installation: You won't need a plumber. Simply twist it on. Installation takes a few minutes and you don't need any tools. Installation can be done on standard plumbing fixtures. Solid build: Stainless shower arm constructed using sturdy metal. Its joints are tough and won't break or leak. The handle has a secure grip, is safe and easily tightened. It has a well-fortified jointed pivot that can support up to three pounds. Ideal shower adjustment: Allows adjustment of shower angle and height as desired. For greater coverage, raise the shower head. Lower the height of a hand-held shower head for easier reachability. Extend a rain shower head several inches from the bathroom wall for better showering coverage. Ideal for all shower head types including handheld, rainhead, multifunction among others.