2PK PVX BX Extender

2 pack, pvc box extender, for single or multiple gang electrical boxes, excellent for remodeling, extends electrical switch & outlet boxes set too deep in wall up to 1" maximum, works with most non-metallic single & multiple gang electrical wiring boxes & devices, includes two 2"w x 1.25"d x 4.25"h extenders & four #6-32 mounting screws, ul listed 655a extender, complies with nec article 370-20.