VACUUM ADSORPTION PRINCIPLE:Super strong suction cup sucker which diameter is large 3-inches,the high quality of strong scalability,good air tightness of the silicone material,given it strong adsorption capacity.Bopai Holder-A single suction can bear 7.5 pounds maximum weight and keep it for about 1 year. | SUCTION CUP BENEFIT:Don't need to drill but save your wall.and suction holder provide the remove or relocate capacity.Now you can place your handheld shower head or bidet sprayer to anywhere you want.high or low position,inside or outside of bathtub.for your wife,kids or parents that if somebody can't reach the shower. | PROVIDED ADJUST ANGEL CAPACITY:Swivel designed so that convenient to adjust the angle of showerhead on Straight and Adjust 20 Degrees From the Wall.Slot diameter:3/4 inches.Fit 3/4" US handheld shower/sprayer.Notice:Some Waterpik massgaes can't fit this holder. | MAIN MATERAIL:ABS plastic material,5 layer coating material for shiny chrome finish.Modern clear designed.Light weight but heavy duty engineering grade plastic. | VERY EASY TO INSTALL:Clean and dry the position.Press the holder.Slide down the lever.even the whole process can be done in a few seconds;The suction works on flat,smooth and no concave and convex surface.such as ceramic tile,glass,smooth wood,smooth metal surface,etc.the others non-smooth surface such as rough wood,emulsioni paint,textured tile.we provide the Adhesive Stick Discs in package,Just use it first to overcome them.