Tapered 4" Rails (SRT-4) Provides aesthetic continuity when used with coordinating door rails Standard pre-fit, dry-glaze, black vinyl; gray vinyl option for 1/2" glass only Roll-in gasketing alternative (black only) Variety of reversible saddles offered for fluctuating clearances and out-of-tolerance openings Specifications Materials Aluminum body Bright or satin stainless steel cladding Glass Thickness: 3/8", 1/2", 5/8", 9/16", 11/16", 3/4", and 13/16" System Components Cut-to-length or 12' stock lengths available 4" aluminum setting blocks included with bottom rails End caps sold separately Setting Block Close Downloads Sidelite Technical Sheet (.pdf) SRT-4 Cut Sheet (.pdf) Close Finishes Description US ANSI/BHMA Clear Anodized Aluminum 28 628 Extra Dark Anodized Aluminum 314 n/a Bright Stainless Steel 32 629 Satin Stainless Steel 32D 630 Black Suede Powder Coat BSP - White Suede Powder Coat WSP - Close Saddles and Gasketing Saddles Gasketing Close Related products Square 4" Sidelite Rails Square 6" Sidelite Rails Square 2-3/4" Sidelite Rails