![Hollow Metal Frames](https://cdn11.bigcommerce.com/s-y7rgqxv8v9/images/stencil/300x300/a/lh-3f-mp-1__86613.original.jpg)
Standard Hollow Metal Frames
Masonry / Drywall
Welded Masonry, knock-down drywall and multi-use frames are available from the Cook & Boardman web store in common configurations and door opening sizes to fit most any standard need in the construction industry today.