The shower head holder is made from solid brass which is durable and reliable. Compared to aluminum and stainless steel, copper is strong, durable and rust resistant. Suitable for standard size shower heads: top diameter is 2.2 cm and fits most standard sized shower heads and hoses. 360 Adjustable Shower Head Holder: Designed for standard shower hose, adjustable wall mounted shower head holder, with 360 adjustable angle, make your bath more free. Easy to install and use: fix the base with the long screw provided to the chosen position on the wall, and screw the bracket to the base, more stable than suction cup, not easy to loosen. Chrome surface makes our shower head holders bright and beautiful, it's a good choice for your bathroom.