2 Pcs, Steel 4 Square, 1/2 in. Raised 30-50 Amp Receptacle, 2.441 in. Diameter Industrial Surface Cover for Quick Installation of Devices & Switches

4in square, 1/2in raised, 30-50 amp receptacle, 2.441in diameter industrial surface covers are used to attach a 30-50 amp receptacle, 2.625in diameter device directly onto 4in square boxes in a industrial setting. Garvin Industries 4in square industrial surface covers allow for a quick installation of devices and switches to steel covers before they are mounted to the box.