SWC 52C3-3/4U 4 Sq to Round Unvrsl

Garvin' 4 in square to round universal rings are used to mount lights security cameras exit sings speakers emergency lights and any other fixture fast and easy! They have a proven alignment for fixture holes on 2-3/4 in or 3-1/2 in centers and work with 5/8 in or 3/4 in tile drywall or plaster. Their multiple 8-32 mounting hole pattern assures a perfect alignment every time!