The Alliance is an upgraded semi-frameless sliding bypass shower or tub door featuring a sleek, modern design that will complement a wide variety of bathroom styles. The alliance pro ML offers unparalleled value with 5/16 in. certified clear tempered glass, smooth gliding rollers, and an integrated towel bar for convenience. Available in widths up to 60 in. and heights up to 78 1/2 in., with various hardware finish options. All measurements should be taken only after walls are finished (tile, back walls, etc.). Drilling into the threshold is optional for the installation of this product. Limited one-year manufacturer warranty. This product is not available with ClearMax protective glass coating. Certified tempered glass, ClearMax protective glass coating, and premium rollers and hardware (SHDR61607620-08).