Handy Box Extension Ring, 1-1/2" Deep, 1/2" KOs, Welded, Metallic By Appleton 4SSLE12

Handy Box Extension Ring, Size: 4" x 2-1/8", Welded, Metallic. Depth: 1-1/2". Side Knockouts: (6) 1/2". End Knockouts: (2) 1/2". Cubic Inches: 10.3".

• Knockout Diameter: 1/2 in
• Material: Steel
• Depth: 1 1/2 in
• Cubic Inches: 10.300 in³