There are eleven different stock shapes available to choose from in our series of Angle Steel frames. Each Angle Steel frame is fitted with a wooden insert which is fit into the back of the frame and held in with screws from the side; this wooden core allows you to fit our steel frames the same way you would fit a regular wood frame. Strainer frames are included for steel frames with deeper profiles. Unlike our wood moldings, because we do not fabricate the steel angles, we are unable to modify any of our steel profile shapes (i.e. increase or reduce rabbet depth, face width, etc.). For framing projects that require more interior frame depth than is offered by any of our Angle Steel profiles, we recommend our Flat Iron series.