Secura-Lets stackable shims and spacers for wiring devices prevent arcing due to unwanted movement and also prevent broken or cracked faceplates. In addition, they provide support of devices to their wall boxes, fill gaps created by boxes that are set too deep, bring devices flush with finished surfaces, and eliminate wobbly outlets and switches. Constructed of rigid, flame-retarded PVC, individual pieces snap together to achieve proper thickness.


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