Orbit Industries' 4-11/16" Square (5S) Boxes are used to install lighting fixtures, switches, and receptacles in ceilings and walls. They are constructed from 16 gauge galvanized steel. These 2-1/8" deep, welded boxes have multiple knockouts in sizes 1/2" and 3/4". Models include either a bracket for direct mounts on studs, a back support arm, support clips, or a raised ground emboss and pre-assembled 3-way, with a 10-32 ground screw and a solid #12AWG pigtail.