Stud guards and FHA plates are manufactured from 18 gauge galvanized sheet metal and provide protection for pipes and wiring installation. Special self-nailing feature provides fast and easy installation. Packaged in heavy cardboard cartons. * 18 gauge self-nailing-4 1/2" between points. ITEM NO:43210033 MODEL:33931 SIZE:1 1/2" x 5" UPC:38753-33931 VL:A UM:EA PK:100 MIN.