32.5 Cu. In. two gang electrical box for use with nonmeatllic sheathed cable - Machine tapped device holes, offset gauge marks, leveling ribs, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures - New work residential construction 2 HR fire resistive walls - Fiberglass reinforced polyester - thermoset box - Size: D=3", W=4", H=3 3/4" - Mounted with Angled mid nails - Speed KlampsÖ factory installed