42.0 Cu. In. Range/dryer electrical box for use with nonmetallic sheathed cable - Machine tapped holes for 2-position device , internal metal clamp for easy wire adjustment, offset gauge marks, leveling ribs, rigid hard box construction, no distortion with high temperatures, shatter resistant with low temperatures - New work residential construction - steel or wood studs 2 HR fire resistive walls - Fiberglass reinforced polyester - thermoset box - Size:D=3 5/16", W=4", H=3 3/4" - Mount with Angled mid nails with fetter ring nails