4 Inch Square Box, Welded, Metallic, Depth: 2-1/8 Inch, Side Knockouts: (8) 3/4 Inch, Bottom Knockouts: (3) 1/2 Inch and (2) 3/4 Inch. Cubic Inches: 30.3
- Knockout Diameter: 1/2 in
- Knockout Diameter: 3/4 in
- Mounting: Screw On
- Material: Steel
- Depth: 2 1/8 in
- Mounting: Nail On
- Cubic Inches: 30.300 in³