4 Inch Square Box, Welded, 1-1/2 Inch Depth, Side Knockouts: (8) 1/2 Inch, (4) Eccentric, Bottom Knockouts: (2) 1/2 Inch, (2) Eccentric, 21 Cubic Inches, Steel
- Knockout Diameter: 1/2 in
- Mounting: Screw On
- Material: Steel
- Mounting: Nail On
- Depth: 1 1/2 in
- Cubic Inches: 21 in³
- Number of Knockouts: 14
- Knockouts: Yes