Box Support Bracket Back Support Extension for 4”-6” Deep Wall Cavities
- Southwire #
- BS456EXT
- UPC
- 032886794698
Optional back support extension for wall cavities between 4"- 6" deep
Priced by quote — copper moves daily (COMEX), so we quote at the current price.
Application & features
- Attaches to box support brackets without the need for tools
- Supports wood or metal studs with 4" to 6" depths
- Can be pre-installed on Southwire box support brackets BSB45BS and BSB45BFMS
- Supports any box depth