DreamLine Aqua Ultra 57-60 in. W x 58 in. H Frameless Hinged Tub Door with Extender Panel in Chrome, SHDR-3448580-EX-01 Model Size: 57-60 in. W x 58 in. H; Walk-in Opening: 27 in. min.(in a 60 in. opening); Hardware Finish: Chrome Quality 5/16 in. (8 mm) thick ANSI certified clear tempered glass; Extender Panel Width: 9 in. Anodized aluminum U-channels allow up to 1/4 in. adjustment for out-of-plumb on Stationary Panel and up to an additional 1/2 in. on Extender Panel Great choice for smaller bathrooms, where a sliding door will not work; Suitable for installation on any straight (not curved) bathtub Product Warranty: Limited lifetime manufacturer warranty; Professional installation recommended