4 Inch Square Box, Welded, Steel, Depth: 2-1/8 Inch, 1/2 and 3/4 Inch Eccentric Knockouts, 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