| 摘要 |
A protective device for use with a metal stud features a body region, a reduced region, and a passageway disposed therethrough. The reduced region has an outer cross-section that is smaller than the outer cross-section of the body region and is sized and shaped to fit within an aperture disposed within the metal stud. The body region has a length that is at least as long as the thickness of the metal stud.
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