The Transolid Frederick Semi-Frameless Bypass Sliding Shower Door fits a 60 in. W x 70 in. H alcove with 5/16 in. (8 mm) tempered clear glass certified to ANSI Z97.1 and a factory-applied Nano ClearCoat surface treatment that helps repel water spots and stains. TruMotion engineered rolling mechanism delivers a smooth, quiet glide with soft-close action; the full bypass design opens from the left or right. Out-of-plumb adjustment up to 3/8 in. per side and 3/4 in. overall for uneven walls; minimum threshold depth 2-3/8 in. 304 stainless steel hardware in multiple frame finishes and handle styles; 20 in. handles double as towel bars. Limited lifetime residential warranty; one-year commercial.