Dimensions - Adjustable length of the shower door support rod 18 1/5 inch (462mm) to 31 7/10 inch (805mm), compatible with 3/8"(10mm) to 1/2"(12mm) thick frameless glass panel. Color: polished chrome. Ceiling-to-Glass Installation - The shower door support bar rod is specifically designed for a ceiling-to-glass installation, where one end securely attaches to the ceiling and the other end connects to the glass. Stablely Standing - The shower door support bar rod, enhances the stability of a frameless shower glass door, and fixes it, to prevent shaking off. High-quality Material - Constructed from high-quality stainless steel, the shower door bar offers exceptional strength, corrosion resistance and long-lasting performance. Easy to Install - It does not require any drilling holes on the glass or ceiling, just clamp it on the glass panel, and extend the length to fit the height, then adjust to fit the thickness. Add lasting stability and a clean, modern look to your frameless shower with this adjustable ceiling-to-glass support rod. Designed to eliminate wobble and reduce noise, it ensures smooth, silent operation of your glass door while providing an extra layer of safety and support.