This metal 2×4 is formed from two asymmetrically bent triangular beams 220 and 222 which have {TAIL ~ legs} 221 and 223 extending from the apexes to form a flat surface 226 comparable to {HEAD ~ the 2 inch edges} of a 2×4 wood stud into which fasteners may be driven to support other construction materials 
This metal 2×4 is formed from two asymmetrically bent triangular beams 220 and 222 which have { TAIL ~ legs } 221 and 223 extending from the apexes to form a flat surface 226 comparable to { HEAD ~ the 2 inch edges } of a 2×4 wood stud into which fasteners may be driven to support other construction materials
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