DreamLine Aqua Ultra 48 in. W x 58 in. H Frameless Hinged Tub Door in Brushed Nickel, SHDR-3448580-04 Model Size: 48 in. W x 58 in. H; Walk-in Opening: 36 in. (in a 60 in. opening); Hardware Finish: Brushed Nickel Quality 5/16 in. (8 mm) thick ANSI certified clear tempered glass; Frameless curved design with a European style Anodized aluminum U-channel allows up to 1/4 in. adjustment for out-of-plumb; Stationary panel requires a Support Arm for additional stability 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