Raco Concrete Ring, Welded, 2 Knockouts, Steel, Gray, 4 in Length, 4.96 in Width, 4.21 in Height
| Type |
: |
Box Extender |
| Material |
: |
Steel |
| Color |
: |
Gray |
| Length |
: |
4 in |
| Number of Knockouts |
: |
2 |
| Width |
: |
4.96 in |
| Height |
: |
4.21 in |
- Flat sides provide excellent contact for locknuts
- External ears are used to nail the ring to the wood form
- Top cover is removable for before-pour work
- Ears on inside of box are for fixtures
- Waxed fixture ears prevent concrete form interfering with the threads