Used to Fabricate Custom Size Cases, Cabinets and Pass-Through Assemblies Mounts Into Cut-Out 12' (3.66 m) Stock Lengths This CRL Heavy-Duty Pocket Glaze Extrusion has a .876 inch (22.3 millimeter) high flange on one side for mounting to the wall, and is designed to project into the opening 1.177 inch (29.9 millimeter). If the corners are...