Electrical Metal Square box Reinforced 4×4

Electrical Box, Box Type Square, Number of Gangs 2, Bracket Type Not Applicable, Capacity 30.3 cu in, Material Steel, Number of 1/2 In. Back Knockouts 3, Number of 1/2 In. Side Knockouts 12, Clamp Type -, Number of 3/4 In. Back Knockouts 2, Number of 3/4 In. Side Knockouts 8, Nominal Depth 2 1/8 in, Nominal Length 4 in, Nominal Width 4 in, Color Gray, Standards UL Listed