⚙[Moisture-resistant Material]:The shower door roller,shower door wheels is made of ABS plastic and stainless steel.Reinforced aluminum alloy connecting rod, strong support, can be used for a long time in humid environment,no rust, corrosion resistance,sturdiness and durability,long service life ⚙[Low Noise & Wear-resistant Wheels]:The bearing is flat and smooth,and the door can be moved easily by gently pulling the door. There is no sound when it is moving,it is very quiet,and will not cause noise to your life. ⚙[Suitable for 11mm Glass Mounting Holes]:The roller diameter of the shower door is 23mm,which is suitable for glass doors with a thickness of about 4-6mm,and is compatible with glass mounting holes with a diameter of 11mm. ⚙[Easy to Install Roller]:This replacement shower door rollers is very easy to install.We have included a screw and nut.You only need to align the roller to the glass mounting hole and use a screwdriver to tighten the screw.with nut,it can protect the screws from moisture and reduce rust. ⚙[A good Helper for Bathroom Doors]:If you have installed bathroom glass doors in your house,you must not miss this bathroom sliding door.It is a good helper for sliding bathroom doors,helping you to open and close doors better.Suitable for showers,massage cabinets,bathrooms,massage bathtubs,etc., Weight: 0.3527396192 pounds, Manufacturer: STCRERAG