Fits Universal Showerheads: The slot in this shower holder is funnel shaped, it's designed to hold the shower more securely. The upper part of the slot diameter is 0.85" and the lower part is 0.79", fits most standard handheld shower heads and shower hose nuts, but please MEASURE your shower hose nut diameter before purchase in case that does not fit your shower head Suction Cup Shower Head Holder:The shower head holder uses vacuum silicone suction cup with diameter of 3.3inches for vacuum adsorption, which can bear maximum weight around 20 lbs. The angle adjustable slot allows you to adjust the shower holder up to 30° Adjustable Shower Holder With Slide Bar:The slide block on it is adjustable and you can slide it UP AND DOWN or left and right,which allows you to place the shower arm at any desired height for easy to access without relocating it many times Install And Remove In 10 Seconds:No tools and no drills,you only need to put the suction cup on the contact surface and then push the button all the way down,the self-priming shower hose holder will work.If you have to remove it,please pull the button back then the tip of the suction cup back Material And Wide Scope Of Application:ABS plastic material with shiny chrome finish.Light weight but heavy duty.Suitable for smooth surface such as ceramic tile,marble,smooth wood,smooth metal surface,etc. Make sure the contact surface is clean before use