4" Outlet box with "FM" bracket - 1-1/2" Deep
Bracket is for metal or wood studs
Tabs on the bracket set the box back 1/8" so the
cover or cover screws will not bulge the drywall
6 side & 3 bottom knockouts 1/2"
3 side & 2 bottom knockouts 3/4"
21.0 cu.in., U.L. Listed