Topaz MAG91 – 3-1/2″ Deep, 1 Gang Masonry Boxes Gangable – (20 Pack)

Topaz Masonry Boxes are used for mounting switches, plugs, outlets and other electronic and electrical devices in masonry, brick and 4 inch block walls.  Manufactured of galvanized steel with an extra deep design which allows for deep devices, numerous wires, switches, electronic and electrical devices.