Product Description The Bell one-gang metal waterproof cover is made up of heavy duty, die-cast construction with a durable powder coat finish. It has technology with a patented universal fit adapter and a patented quick fit key hole mount installation that enables you to fit different size screws. This cover comes with a lockable tab and a spring hinge closure. The metal flat covers meet 2008 NEC standards for a horizontal or vertical mount. From the Manufacturer The Bell one-gang metal waterproof cover is made up of heavy duty, die-cast construction with a durable powder coat finish. It has technology with a patented universal fit adapter and a patented quick fit key hole mount installation that enables you to fit different size screws. This cover comes with a lockable tab and a spring hinge closure. The metal flat covers meet 2008 NEC standards for a horizontal or vertical mount.