Drilling-FreeQuick 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. Please Note: Only for frameless shower, not for framed shower.Anti-ScratchBoth the upper and lower parts of the hook have a rubber protective layer to prevent damage or scratchingNo Slip & No NoiseThe rubber protective layer can effectively prevent the hook from slipping while reducing noise simultaneously.Durable & StableMade of 304 stainless steel and not easy to rust or deform.VersatileSuitable for hanging towels, bathrobes and shower squeegees, etc. Product description There is no need to drill holes for hanging this shower door hook on your frameless glass shower door, no more complicated installation, neither you dont need to worry about it will fall. As the rubber protective layer covered on the hook can prevent the glass from being scratched effectively and avoid noise generate. It provide extra hanging space for your towels, bathrobes, bathing suits, shower squeegees and other items, which saves space for your bathroom. Plenty of storage space in a matter of secondsSimply hang up without drilling Gentle rubber coating that prevents slipping and scratchingPractical set of 2 or 3 for inside and outside the shower doorDurable & rust-free