SWC 72EXR-1-1/2 4-11/16Sq t Rnd Prf

4-11/16 in Square to round perfect fit device rings offer eight 8-32 device mounting tabs around the exterior of the opening to perfectly align with any fixture or device mounted on ceilings or walls. They are typically used on exit signs emergency lights ceiling fixtures security cameras wall sconce lights and electronic devices. Their quad-directional mounting tabs allow the installer to obtain a perfect fit for signal lighting and security cameras without having to disassemble canopies.