37.0 Cu. In. two gang electrical box for use with nonmeatllic sheathed cable - Machine tapped device holes, slot provision for low voltage divider, 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 7/16", W=4", H=3 3/4" - Mount with Angled mid nails - Speed KlampsÖ bulk packed *** Discontinued ***