Technical Description:
Square Box Extension Ring Type; Steel Material; 4 Inch; 4 Inch; 1-1/2 Inch; UL Approval; 50 Per Pack Standard Package; 21 Cubic Inch Capacity; (6) 1/2 Inch Conduit Sides, (6) 1/2 Inch Conduit Ends Knockout Size; 12 Knockout(S); Number of Outlets 1

UPC: 78599116775

Manufacturer: STEELCITY