Aquieen PREMIUM MATERIAL: Body Made from high quality Brass, resist to rust/corrosion,ensures long-lasting durability and to enjoy luxury rainfall shower MULTI-LAYER FINISH: High quality chrome finish, build to resist daily scratches, corrosions and tarnishing US UNIVERSAL SIZE---The male thread standard NPT 1/2" PIPE connectors and the male thread G1/2" shower hose connectors ,fit to most US bathroom much more pleasant to look at ,but also prevent the surface from scratchingThis Adjustable Shower Arm Mount for Hand Shower, combined with a hand shower (sold separately) is a quick and easy way to update your shower. You can count on Delta reliability throughout the home, including our accessories and repair parts. You can install with confidence, knowing Delta products are backed by our Lifetime Limited Warranty.