665 - Utility box extension rings provides a means to adding additional wiring capacity in the box. Handy boxes used for devices or small junction boxes. Popular with surface mount applications.
| Type | : | Box Extender |
| Material | : | Steel |
| Number of Gangs | : | 1 |
| Color | : | Silver |
| Finish | : | Galvanized |
| Length | : | 1-7/8 in |
| Number of Knockouts | : | 8 |
| Width | : | 2 in |
| Height | : | 4 in |