4" Square Box, Welded, 2-1/8" Depth, 1/2, 3/4 and 1" Knockouts, Steel By Appleton 4SD1

4 Inch Square Box, Welded, 2-1/8 Inch Depth, Side Knockouts: (8) 1 Inch, Bottom Knockouts: (3) 1/2 Inch, (2) 3/4 Inch, 30.300 Cubic Inches, Steel

• Knockout Diameter: 1/2 in
• Knockout Diameter: 3/4 in
• Mounting: Screw On
• Material: Steel
• Depth: 2 1/8 in
• Mounting: Nail On
• Depth: 2 1/8 in
• Cubic Inches: 30.300 in³
• Number of Knockouts: 13
• Knockouts: Yes