Amazon.com: Custom Cut Glass 1/2" Thick - Clear Tempered Glass Cut to Size - Rectangle Replacement Glass for Table Tops, Glass Shelves, Windows with Bevel Edge by Fab Glass and Mirror :
Glass Information
Tucson Table Tops: the easiest way to find the best glass top for your table
Tempered Glass Edgework Options | Pencil, Beveled, Bull Nose Edges
16" x 52" Tempered Rectangle Glass Top 1/2" thick - Bevel Edge | eBay