ADJUST-A-BOX(TM) NONMETALLIC ADJUSTABLE BOX

Allows the installer to adjust the box to any thickness with the turn of a screw
Simply clip the included bracket to the stud, and the box mounts square and secure every time
Secure the bracket to the stud, and turn the screw clockwise or counterclockwise to make flush with any wall covering
Double-gang includes knock-out clamp