Carlon B121ADJ 1-Gang Adjustable New Work Electrical Box - Lot of 24

a lot of 24 Carlon 1-gang adjustable electrical boxes. These are the blue PVC ones, 21 cubic inches, and they have that metal bracket so you can adjust the depth even after the drywall is up. Super handy for kitchen backsplashes or bathrooms where you aren't sure about the tile thickness yet. Brand new in the packaging