4-11/16"square adjsutable single device rings are used with 4-11/16" square boxes to mount switches, receptacles and devices. Adjustable device rings are used in ceilings, walls and floors when finished surface depth is unknown.
Adjustable device rings allow a perfect flush installation to finished surfaces, ensuring that devices are securely fastened and well grounded to rings.
Telescoping two gang inner ring adjusts to finished wall surface for a perfect fit every time