4 Inch Square Box, Drawn, Depth 1-1/2 Inch, Side Knockouts: (8) 1/2 Inch, (4) 3/4 Inch, Bottom Knockouts: (2) 1/2 Inch, (2) 3/4 Inch, Cubic Inches 21.0, Steel
- Knockout Diameter: 1/2 in
- Knockout Diameter: 3/4 in
- Mounting: Screw On
- Material: Steel
- Mounting: Nail On
- Depth: 1 1/2 in
- Cubic Inches: 21 in³
- Number of Knockouts: 16
- Knockouts: Yes