5/16" x 11/16" x 72", Bronze Finish, Universal, "C" Window Sash Window Frame, Combines Roll Formed Aluminum, Factory Installed Pile Weatherstrip & Vinyl Glass Seal, Pre-Installed Vinyl Seal Accepts Single Glass Thickness .085" To .101" Or Double Strength Glass Thickness .115" To .134" Or Plexiglas Thickness .085" To .090", Ready To Assemble. Easy Frame Assembly By Either Miter Cutting Or Square Cutting. For Interior Or Exterior Use, Use PL 14322 Corners For Square Cut, PL 8000 Miter Cut Corners.