Masonry Box, 3-Gang, 3-1/2 Inch Depth, Non-Gangable, Side Knockouts: (4) 1/2 and 3/4 Inch Concentric, End Knockouts: (4) 1/2 and 3/4 Inch Concentric, Bottom Knockouts: (4) 1/2 and 3/4 Inch Concentric, Welded, Cubic Inches: 67.3, Material: Steel. Integral Brackets Securely Hold Power and Data Outlets to Concrete Block from Front and Back in Masonry Walls, Even in Irregular Cut Openings.
- Color: Gray
- Material: Steel