【Stainless Steel Suction Cup Shower Head Holder】: The handheld shower head holder is made of high-quality stainless steel with a brushed finish, waterproof and rust-proof. The suction cup base is made of tall plastic PVC with a 2mm layer for flexible filling and vacuum retention. When properly installed according to the instructions, the screws do not hold more than 5 kg. 【Groove Diameter for Shower Holder】: Fits G 1/2" Hand Shower or Bidet Sprayer, Groove Top - 22mm (0.87"), Groove Bottom - 20mm (0.79"), but not suitable for 3/ 4" US Hand Shower/Sprayer. Note: Please measure the original shower head bracket to confirm the groove diameter before purchasing. 【Repositionable without damaging the wall】: The suction cup shower handle holder can be easily placed at any height, perfect for different heights or different needs, such as children, elderly or family members with reduced mobility , pet cleaning, etc. Suction cup shower hose The brackets are easy to install, no required and no damage to the wall, perfect for renters or drilling campers, etc. 【Adjustable Bracket for Vacuum Shower Head】 : By adjusting the 4 positions of the ratchet on the bidet sprayer bracket, you can freely enjoy the shower inclination angle you want, the total range of up and down is 45 degrees. The shower holder can only be adjusted when fully inserted into the appropriate shower head. 【WIDE APPLICATION】The suction head shower head holder is best for dry smooth flat non-porous surfaces, such as glass, acrylic, stainless steel, plastic surfaces, corian walls, ceramic tiles and more . Do not use on dusty, damp, breathable, uneven, porous, painted, matte, textured or curved surfaces such as painted walls, logs, natural marble, natural granite, mosaic or travertine tiles, plaster walls, limestone walls, wallpaper, frosted glass, seamlines, etc.