"【Drilling-Free】Quick and easy installation, simply attach the hook to a frameless shower door that is less than 15/32\" (12mm) thick, no drilling or sticking needed. 【Anti-Scratch】Both the upper and lower parts of the hook have a rubber protective layer to prevent damage or scratching. 【No Slip & No Noise】The rubber protective layer can effectively prevent the hook from slipping while reducing noise simultaneously. 【Durable & Stable】Made of 304 stainless steel and not easy to rust or deform. Su