The DreamLine Sapphire is a semi-frameless sliding bypass shower or tub door with a modern, elegant design and a striking look. The Sapphire features thick tempered glass, convenient dual towel bars and sleek rollers for smooth gliding action. Integrated vinyl stoppers offer glass safety and operational security for the Sapphire. DreamLine exclusive ClearMax water and stain resistant glass coating provides superior protection from buildup and easy maintenance. Turn your shower space into a gem with the Sapphire shower door! • Model Size: 44-48 in. W x 76 in. H • Door walk-in: 18 1/4 - 22 1/4 in. • Double sliding bypass configuration for left or right side entry to the shower • High quality 5/16 in. (8 mm) thick certified smoke gray tempered glass • DreamLine exclusive ClearMax water and stain resistant glass coating • Top and bottom guiderails can be trimmed up to 4 in. for width adjustment • Wall profiles accommodate up to 1/4 in. for out-of-plumb (uneven walls) • SafeClose bumper guides and integrated vinyl inside wall profiles for glass safety and security • Specially designed rollers create a smooth, quiet gliding operation • Dual towel bars double as handles on each panel • Minimum threshold depth of 3 in. is required for proper installation; Model is not compatible with SlimLine bases • Hardware Finish: Brushed Nickel • IMPORTANT! Before making your shower door selection, make sure walls are finished with tile or other materials, for proper measurements • Professional installation recommended • Limited Lifetime Manufacturer Warranty • Drilling into the threshold is required for installation of this product