Application: The Hand Shower Holder Is 21Mm, It Is Compatible With Most Standard Shower Heads; Suitable For Smooth Surfaces Not Concave And Convex, Such As Ceramic Tile, Glass, Smooth Wood, Smooth Metal Surfaces. Tool-Free And Drill-Free Installation: The Shower Head Brackets Are Equipped With A Strong Adhesive Panel, No Drilling And No Tools Required For Installation; You Just Need To Remove The Cover And Lean The Base Against The Wall And You Don'T Have To Hang On It, You Can Immediately Put Your Shower Head And Other Items On The Holder. Made Of Aluminum. The Hand Shower Replacement Is Made Of Aluminum And A Treated Aluminum-Magnesium Alloy Which Has Been Subjected To High Temperature Oxidation, Then Withstands Thousands Of High Temperatures And Keeps Rust Away. Beautiful Design And Good Quality: The Shower Head Holder Can Adjust The Direction Of The Shower Head To Lean On The Holder, Upright And Tilting About 90 Degrees; Strong And High Quality Hooks Can Hold Weight About 5Kg Satisfaction Guarantee: We Offer 100% Satisfaction Guarantee For The Shower Holder You Purchase. If For Any Reason You Are Not Satisfied With Our Support, Please Contact Us And We Will Certainly Give You A Satisfactory Solution.