Thomas & Betts B1EXT-CRD PVC Electrical Box Extender
Thomas & Betts, PVC Electrical Box Extender, Extends Switch & Outlet Boxes Set Too Deep In Wall, Excellent For Remodeling, Extends Wiring Box Up To 1-1/8", 2-14" x 3-1/4", 2 Mounting Ears, No Need To Disconnect Wiring Device, For Use With Most Non Metallic Wiring Boxes, Dimmers & GFCIs