Marvin's Ultimate Push Out French casement window features traditional styling and modern features for superior performance and energy efficiency. It has no center stile or vertical post, providing wide open views. The 4 9/16-in. jamb is ideal for full frame replacement. Standard features include: one-lite Low E II with argon insulating glass; oil rubbed bronze folding handle and sash lock; bare wood interior; and extruded aluminum clad exterior.