Garvin Industries 56111-OW 4 x 1/2 Inch Steel Old Work Pan Junction Box

4 in round 1/2 in deep Old Work pan boxes with (2) 1/2 in conduit knockouts are used to mount ceiling and wall lighting fixtures when a shallow depth box is required. Their versatile combination head 8-32 screw can securely fasten fixtures to electrical junction boxes using a slotted Phillips or Robertson head screw driver. This item has a 2 Hour Fire Rating.