The shower head extension arm is mainly used to connect the shower head and in-wall water pipes in the bathroom, easier for water to flow smoothly, bringing you a relaxing and pleasant shower experience.SpecificationColor: SilverMaterial: Stainless SteelTotal Length: 410 mm / 16.14 inchExternal Thread: G1/2 - G1/2 Male Thread (Small End*Big End)Packing List: 1 x Shower ArmAdvantage1. Made of durable stainless steel material with a smooth surface, wear-resistant, corrosion resistant, not easy to rust and deform. Easy to clean.2. A modern stylish design with a bright metallic appearance can make your bathroom look great.3. The 90-degree elbow structure can effectively connect water pipes and shower head, which meets daily needs and is convenient for installation.InstructionConfirm the thread size you need, then connect and tighten the shower head to the water pipe.NOTE: All size above is measured by manual, please allow +/-0.1 inch error.