Experience Smooth & Quiet Sliding: the annoyance of a noisy or stuck shower door with our 3/4" ball bearing rollers. Designed to glide effortlessly and silently, these rollers your shower's functionality and your peace of mind. for Frameless Glass Doors: Specifically crafted for frameless shower doors up to 1/4" thick, our adjustable bracket with three mounting screws ensures a precise and secure fit, making installation a breeze and usage reliable. Robust Construction for : Constructed from extruded aluminum with a sleek chrome finish and fortified with steelball bearings, each roller includes a protective glazing vinyl strip. This design prevents glass slippage or scratches, ensuring durability and continued . Elegant Chrome Finish: Enhance your bathroom's aesthetics with our rollers' polished chrome finish that integrates smoothly into contemporary bathroom designs. This stylish addition maintains its functionality while elevating your space's visual appeal. Straightforward Installation & Enhanced Safety: Follow simple steps for installation-clean the glass, attach the bracket with the vinyl strip, apply silicone adhesive, secure the screws, and allow the adhesive to cure for 24 hours. This method ensures your glass door remains firmly in place, safeguarding against accidents. Color: As Shown Material: Aluminium Package Contents: 4* bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.