DreamLine SHDR-1048726-04 Frameless Sliding Shower Door 44 to 48 by 72 Clear 1/4 Glass Door Brushed Nickel Finish Product type: shower door. Glass type: clear. 1/4 (6mm) thick tempered glass. Hardware finish: brushed nickel Single sliding door design. Reversible for "Left" or "Right" door opening Anodized aluminum profiles and frames Adjustable between 44"-48". Assembly required