Description
Description
4″ Square extension box with concentric knockout. Extension ring
| Product Name: | SMB20245 |
| Dimensions: | 4″ X 4″ X 1 1/2″ (Length X Width X Depth) |
| Capacity: | 21 in3 (cubic inch) |
| Number of Gangs: | |
| Number of Knockouts: | 10 |
| Knockouts Size: | 1/2″ & 3/4″ |
| Knockouts Location: | 4 X 1/2″ on the Sides 6 X 1/2″ & 3/4″ on the Sides |
| Material: | Galvanized Steel |
| Mounting: | |
| Box Quantity: | 50pcs |


