DreamLine Enigma 56-60 in. W x 79 in. H Fully Frameless Sliding Shower Door in Brushed Stainless Steel, 1/2 in. Glass, SHDR-60607912-07 Model Size: 56-60 in. W x 79 in. H; Walk-In Opening: 22 1/2 -26 1/2 in.; Hardware Finish: Brushed Stainless Steel Luxurious 1/2 in. (12mm) thick ANSI certified clear tempered glass; DreamLine exclusive ClearMax water repellant and stain resistant coating Stainless Steel Top guide bar can be trimmed up to 4 in. for width adjustment; ATTENTION! This model has NO adjustment for out-of-plumb (uneven walls) Must be installed on solid surface flooring, DO NOT install on plastic bases; Minimum threshold depth of 3 3/4 in. is required for proper installation Professional installation is required; Limited Lifetime Manufacturer Warranty