The LDR shower arm is built from sold brass construction. The easily adjustable joints can be adjusted to customise you shower position preferences. The joints are easy to tighten and will hold the shower head in place. The Up and down adjustable angle of the shower arm provides almost 0.6m of vertical movement and options. Higher the arm for a more height and lower it when you desire a more direct, increased pressure shower flow. Great for tight shower spaces as well. The replacement shower arm is Equipped with a removable water restrictor to meet the EPA regulation of maximum flow of 2.5 GPM. The shower arm is easy to instal and will have your bathroom transformed in no time. We appreciate your effort at the earliest.