Orbit Industries 4 in square (4S) one and two-gang device rings are used with 4 in square (4S) boxes to mount electrical fixtures, switches and other devices. They are constructed from 16 ga galvanized steel. Raised rings ranging from 1/4 to 2 in accommodate drywall and added wall thicknesses. Orbit Industries selection includes flat, drawn and tile rings with various types of slots for most devices.