The brand new Luna Collection is leading the next generation of barn doors with its simplified, improved design. This frameless double bypassing slider is more durable than comparable barn doors with its rectangular stainless steel header. The components were engineered to have the utmost adjustment capability, easing your installation process and maximizing the functionality of your shower. 3/8 in. (10mm) thick clear tempered glass with frameless, polished edges Configuration: reversible, double bypassing, sliding doors - perfect for either left or right-sided shower heads Includes EasyClean10: a 10-year glass protectant that is water and oil repellent, scratch-resistant, and transparent Includes Euro-style towel bar and back-to-back knobs Expert DIY or professional 2 person team installation is recommended Requires a minimum of 3-in width threshold for center guide Allows for up to 1/2 in. adjustment for out of plumb (uneven) walls - making for easy and efficient installation Model size (after walls and threshold are finished with tile, marble, etc.): 56 - 58 in. W x 74 in. H