Round fixture ring used to mount light fixtures in walls and ceilings. The rings convert a 4 In. square box to a 3-1/2 In. round opening with 8-32 threaded mounting tabs for lighting retrofit applications. Angled slots on the covers compensate for up to 1/2 In. of box misalignment on upright framing members. Additionally, the rings are UL and RoHS compliant. This product can expose you to chemicals including lead, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov. Este producto puede exponerlo a productos qumicos, incluido el plomo, que el estado de California reconoce como causante de cncer. Para obtener ms informacin, visite www.P65Warnings.ca.gov. -