Switch box extension fits any one-gang box, adjustable from 1/4 to 1 in to shield combustible wall surfaces from wiring system, 3.5 cu-in.
| Type | : | Adjustable |
| Number of Gangs | : | 1 |
| Material | : | Steel |
| Finish | : | Galvanized |
| Length | : | 1 in |
| Width | : | 1.78 in |
| Height | : | 4 in |
| Includes | : | (2) 1-1/8 in Screws |