Raco 8257 Outlet Box, 1-Gang, 12-Knockout, Steel, Silver, Galvanized, FM Bracket

Conduit wiring system. Two 1/2 in and twelve TKO conduit knockouts (sides). One 1/2 in, three TKO conduit knockouts (bottom). No bracket, installed in ceilings or walls for lighting fixtures or receptacles. 4-11/16 in square x 2-1/8 in deep, 42 cu-in. Combination cover screw heads provide for faster mud ring/cover installation. UPC bar code. UL listed.