DreamLine Aqua Fold 56-60 in. W x 58 in. H Frameless Bi-Fold Tub Door with Extender Panel in Chrome, SHDR-3636580-EX-01 Model Size: 36 in. W x 58 in. H; Extender Panel Width: 9 in.; Walk-in Opening: 48 in. (in a 60 in. opening); Hardware Finish: Chrome Bi-Fold Tub Screen allows for a wide entry, while using minimal space; Continuous self-centering pivot rotates into and out of the shower Great choice for smaller bathrooms, where a swing or sliding door will not work; Frameless curved glass design with a European style Quality 1/4 in. (6mm) thick ANSI certified clear tempered glass; Anodized aluminum wall profile allows up to 3/8 in. adjustment for out-of-plumb Extender Panel attached to the wall and tub with U-channels that allow up to 1/2 in. adjustment for width or out-of-plumb (uneven walls)