8pcs Metal Electrical Box Cover Plate,Junction Box Covers,4 Inch Square Flat Blank Electric Box Cover Oil Pressure Sensor Socket protects against UV rays and

protects against UV rays and provides good protection from frost while allowing air

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Convenient Design: Retractable and compact for easy storage as a wrist accessory

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8pcs Metal Electrical Box Cover Plate,Junction Box Covers,4 Inch Square Flat Blank Electric Box Cover Oil Pressure Sensor Socket protects against UV rays andMaterial: Stainless steel Size: 4*4in Metal electrical box cover: The side length of the junction box cover is 4 inches, suitable for most 4 inch electrical box , please measure the size of the junction box before purchase, to avoid the inability to install. High quality metal material : These junction box covers are made of thick stainless steel, sturdy and durable, waterproof and rust proof, and can also be reused, economical and practical. Wide