12.5 Cu. In. single gang electrical box for use with nonmeatllic sheathed cable - Machine tapped device holes, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures - Surface mounted box with side and bottom romex cable openings - Fiberglass reinforced polyester - thermoset box - Size: D=2", W=2 1/4", H=4 3/16" - Surface mount