Old work box mount steel 1/4-1-1/4in drywall

Old work box mount, Pre-galvanized steel, One-piece, break-apart design is easy to handle, Works on drywall, lathe and plaster, only a drywall saw required, Accommodates single or multiple gang boxes, Can be placed at different locations on an electrical box to allow for more clearance, Fastener installs before the box to free up your hands.