Garvin TBX-125 1-Gang Extension Ring Masonry Box; 1/2 Inch and 3/4 Inch Side

Detailed Description: Garvin 2 1/2 Inch Deep 1-Gang extension ring masonry box cover offers installers the ability to add devices in the field and extra deep design allows for deep devices, numerous wires, switches and other electronic and electrical devices. It is used for mounting switches, plugs, outlets and other electronic and electrical devices in masonry, brick and 4 inch block walls.