High quality aluminum extrusions with heavy duty 16 gauge steel slotted insert. Designed to attach directly to wall surfaces allowing O.E.M. compatible components or work surfaces to be hung directly from the wall. Use 3/16" Toggler Bolt Anchor and 3/16" x 3" Flat Phillips Toggle Bolt to fasten Wall Hanger Strip to drywall or other types of wall materials. Fasteners purchased separately