Square single device ring used with 4 In. square boxes to mount switches, receptacles and devices. The steel cover design provides long-term durability. The slots on the covers compensate for up to 1/2 In. of box misalignment on upright framing members. Additionally, this ring is UL listed for safety.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer.
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