Masonry Box, Type: Block-Loc™, 1-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: (2) 1/2 and 3/4 Inch Concentric, Welded, Cubic Inches: 22.5, Steel
- Depth: 3 1/2 in
- Knockout Diameter: 1/2 in
- Knockout Diameter: 3/4 in
- Mounting: Screw On
- Color: Gray
- Gangs: 1
- Material: Steel
- Mounting: Nail On
- Cubic Inches: 22.500 in³