Raco 976 Switch Box Ring, 1 in L, 1.78 in W, Steel

Add-A-Depth ring or "goof ring" is designed to act as a barrier between combustible wall surfaces and the wiring system. This product can be used for single or two-gang device boxes that are set too deep in the wall.

Manufacturer: RACO
Model Number: 976
UPC: 050169009765